By ALAN FRAM

WASHINGTON (AP) — The Senate steered on Friday toward a voting marathon on Democrats’ $1.9 trillion COVID-19 relief bill after enduring an extraordinary half-day holdup forced by a Republican foe of President Joe Biden’s top legislative priority.

The chamber planned to begin voting around midday on a mountain of amendments, mostly by GOP opponents and virtually all of which were destined to be rejected. That would set the Senate on course toward approving its reworked version of the massive measure, probably over the weekend, and shipping it back to the House so it could whisk the final package to Biden for his signature.

Moments after the Senate took up the legislation Thursday, Sen. Ron Johnson, R-Wis., forced the chamber’s clerks to read aloud the entire 628-page measure. The exhausting task took the staffers 10 hours and 44 minutes and ended shortly after 2 a.m. EST, with Johnson alternately sitting at his desk and pacing around the mostly empty chamber.

Democratic leaders made more than a dozen late additions to their package on Thursday. That reflected their need to cement unanimous support from all their senators — plus Vice President Kamala Harris’ tie-breaking vote — to succeed in the precariously divided 50-50 chamber.

The Senate’s 51-50 vote to start debating the package, with Harris pushing Democrats over the top, underscored how they were navigating the package through Congress with virtually no margin for error. In the House their majority is a scrawny 10 votes.

The bill, aimed at battling the killer virus and nursing the staggered economy back to health, will provide direct payments of up to $1,400 to most Americans. There’s also money for COVID-19 vaccines and testing, aid to state and local governments, help for schools and the airline industry, tax breaks for lower-earners and families with children, and subsidies for health insurance.

“We are not going to be timid in the face of a great challenge,” said Senate Majority Leader Chuck Schumer, D-N.Y.

The new provisions offered items appealing to all manner of Democrats. Progressives got money boosting feeding programs, federal subsidies for health care for workers who lose jobs, tax-free student loans, and money for public broadcasting and consumer protection investigations.

Moderates won funds for rural health care, language assuring minimum amounts of money for smaller states and a prohibition on states receiving aid using the windfalls to cut taxes. And for everyone, there was money for infrastructure, cultural venues, start-up companies and afterschool programs.

Even with the late revisions, there was a good chance lawmakers will make yet another one and vote to pare back the bill’s $400 weekly emergency unemployment benefits to $300.

That potential change could also extend those emergency payments another month, through September. It was described by aides and a lobbyist who spoke on condition of anonymity to describe internal conversations.

Biden and Senate leaders had agreed Wednesday to retain the $400 weekly jobless payments included in the version of the relief bill the House approved Saturday. The reduction to $300 — which seemed likely to occur once the Senate begins a “vote-a-rama” on scores of amendments later this week — seemed to reflect a need to secure support from moderate Democrats.

It also left House Speaker Nancy Pelosi, D-Calif., the task of keeping her chamber’s numerous progressives on board. Liberals already suffered a blow when their No. 1 priority — a federal minimum wage increase to $15 hourly that was included in the House package — was booted from the bill in the Senate for violating the chamber’s rules and for lack of moderates’ support.

In another bargain that satisfied moderates, Biden and Senate Democrats agreed Wednesday to tighten eligibility for the direct checks to individuals. The new provision completely phases out the $1,400 payments for individuals earning at least $80,000 and couples making $160,000, well lower than the original ceilings.

“My hope is they don’t screw around with it too much,” Rep. Jim McGovern, D-Mass., said of the Senate in an interview. “If they do there could be some problems.”

Congress wants to send the bill to Biden before March 14, when a previous round of emergency benefits for people tossed out of work by the pandemic expires.

Johnson told reporters he was forcing the bill’s reading to “shine the light on this abusive and obscene amount of money. ” Schumer said Johnson would “accomplish little more than a few sore throats for the Senate clerks.”

Asked about GOP delays, Biden told reporters he’s talked to Republican lawmakers and added, “We’re keeping everybody informed.” Biden met last month with Republican senators who offered a plan one-third the size of Democrats’ proposal, and there have been no signs since of serious talks.

Johnson’s move pointed to a larger GOP argument: Democrats were ramming an overpriced bill through that disregarded that growing numbers of vaccinations and other signs suggesting the country’s pandemic ordeal is beginning to ease.

“Instead of heading into a dark tunnel, we’re accelerating out of it,” said Senate Minority Leader Mitch McConnell, R-Ky.

The economic recovery began to stall late last year as the virus surged, causing a shortfall in hiring in recent months. Employers added just 49,000 jobs in January and cut 227,000 jobs in December. Economists estimate that the February employment report being released Friday will show gains of 175,000, not nearly enough to swiftly recover the nearly 10 million jobs lost to the pandemic-induced recession.

The nonpartisan Congressional Budget Office estimates economic growth will exceed 4% this year without Biden’s rescue package. Republicans cite that as evidence the economy is pointed upward, but Democrats say a strong economic stimulus is still needed to prevent a relapse.

“It’s a crisis that is still very much with us, and it is deadly, deadly serious,” Schumer said.

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Associated Press writers Josh Boak, Alexandra Jaffe and Lisa Mascaro contributed to this report.

By MICHAEL BALSAMO

WASHINGTON (AP) — Law enforcement was on high alert Thursday around the U.S. Capitol after intelligence uncovered a “possible plot” by a militia group to storm the iconic building again, two months after a mob of Donald Trump supporters smashed through windows and doors to try to stop Congress from certifying now-President Joe Biden’s victory.

The threat appears to be connected to a far-right conspiracy theory, mainly promoted by supporters of QAnon, that former President Trump will rise again to power on March 4 and that thousands will come to Washington, D.C., to try to remove Democrats from office. March 4 was the original presidential inauguration day until 1933, when it was moved to Jan. 20.

Online chatter identified by authorities included discussions among members of the Three Percenters, an anti-government militia group, concerning possible plots against the Capitol on Thursday, according to two law enforcement officials who were not authorized to speak publicly and spoke on condition of anonymity. Members of the Three Percenters were among the extremists who stormed the Capitol on Jan. 6.

The threat came as the Capitol police and other law enforcement agencies were taking heat from Congress in contentious hearings this week on their poor handling of the Jan. 6 riot. Police were ill-prepared for the mass of Trump supporters in tactical gear, some armed, and it took hours for National Guard reinforcements to come. By then, rioters had broken and smashed their way into the building and roamed the halls for hours, stalling Congress’ certification effort temporarily and sending lawmakers into hiding.

“The United States Capitol Police Department is aware of and prepared for any potential threats towards members of Congress or towards the Capitol complex,” Capitol Police said in a statement.

Lawmakers, congressional staffers and law enforcement officials are still on edge after the attack on Jan. 6, even as the security posture around the Capitol remains at an unprecedented level.

The U.S. House wrapped up its work for the week Wednesday night, but the U.S. Senate still had a busy day scheduled for Thursday with votes going well into the evening. Police beefed up their presence in and around the Capitol. About 5,200 National Guard members remain in D.C., the remainder of the roughly 26,000 that were brought in for President Biden’s inauguration that went off with no problems.

There’s also a very large fence around the U.S. Capitol perimeter that walls off all avenues of entry including on the streets around the building, put in place after Jan. 6. And Trump is in Florida.

Initially it seemed as though the online chatter did not rise to the level of serious concern; an advisory sent earlier this week to members of Congress by Timothy Blodgett, the acting House sergeant-at-arms, said that the Capitol Police had “no indication that groups will travel to Washington D.C. to protest or commit acts of violence.”

But that advisory was updated in a note to lawmakers Wednesday morning. Blodgett wrote that the Capitol Police had received “new and concerning information and intelligence indicating additional interest in the Capitol for the dates of March 4th – 6th by a militia group.”

Acting Capitol Police Chief Yogananda Pittman said during House testimony Wednesday that her investigators had collected “some concerning intelligence,” but declined to provide any details publicly, saying that it was “law enforcement sensitive” and that she would provide a private briefing for the subcommittee members.

Meanwhile, federal agents looked for any increases in the number of hotel rooms being rented in Washington, as well as monitoring flights to the area, car rental reservations and any buses being chartered to bring groups into the capital, but found nothing significant, a person familiar with the matter told The Associated Press. The person could not publicly discuss details of the security planning and spoke on the condition of anonymity.

The FBI and Department of Homeland Security also sent a joint intelligence bulletin to local law enforcement officials Tuesday warning that a group of militia extremists had discussed trying to take control of the Capitol on March 4 and encouraging thousands of people to come to D.C. to try to remove Democrats from power.

But there has been a noticeable decline in online activity on some social media platforms surrounding efforts on March 4, and there was already considerably less online chatter than during the lead-up to Jan. 6, a day that Trump repeatedly had promoted for a his rally and encouraged thousands to come to the nation’s capital.

Several QAnon groups still operating on the social media messaging platform Telegram warned followers to stay away from any events on March 4, claiming it was a setup for Trump supporters.

“If there are groups out there planning and advertising events on or around March 4 anywhere in the country (DC included) we strongly urge everyone to avoid them entirely,” one Telegram user wrote late last month in a QAnon group that has more than 65,000 followers.

Also, thousands of accounts that promoted the Jan. 6 event that led to a violent storming of the U.S. Capitol have since been suspended by major tech companies like Facebook and Twitter, making it far more difficult for QAnon and far-right groups to organize a repeat of the mass gathering on Thursday.

Twitter banned more than 70,000 accounts after the riots, while Facebook and Instagram removed posts mentioning “stop the steal,” a pro-Trump rallying cry used to mobilize his supporters in January. And the conservative social media platform Parler, which many of Trump’s supporters joined to promote false election fraud conspiracy theories and encourage friends to “storm” the Capitol on Jan. 6, was booted off the internet following the siege.

Capitol Police say that they have stepped up security around the Capitol complex since January’s insurrection, adding physical security measures such as the fencing topped with razor wire around the Capitol and members of the National Guard who remain at the complex.

“I think they are definitely prepared for any threats that may come our way in the next couple days,” said Rep. Jennifer Wexton, D-Va., who was one of several lawmakers briefed privately by the police. Wexton added that she still questioned the long-term security plan for the Capitol and said Pittman, the acting chief, “has not come up with proactive ways to fix the issues that they had.”

So far, about 300 people have been charged with federal crimes for their roles in the riot. Five people, including a Capitol Police officer, died.

Since his defeat, Trump has been promoting lies that the election was stolen from him through mass voter fraud, even though such claims have been rejected by judges, Republican state officials and Trump’s own administration. He was impeached by the House after the Jan. 6 riot on a c harge of incitement of insurrection but was acquitted by the Senate.

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Associated Press writers Nomaan Merchant in Houston; Colleen Long, Alan Fram, and Mary Clare Jalonick in Washington; and Amanda Seitz in Chicago contributed to this report.