Ottumwa Police have arrested a man who led them on a chase on his bicycle.  Around 2:30 Tuesday afternoon (7/7), Police approached a man who had an active warrant out for his arrest.  The man, who was going west on Finley Avenue, wouldn’t stop.  Police set up a barricade in the area around the John Deere plant and convinced the man to surrender.  It turns out the man had a knife with him and was threatening to hurt himself.  The man, whose name has not been released, was taken to Ottumwa Regional Health Center for a mental evaluation.  No charges have been filed.