 ARLINGTON, Va. AP - A county in northern Virginia pulled its officers out of the District of Columbia Monday night after they played a supporting role in clearing protesters from a park outside the White House so the president could walk to a church for a photo opportunity. The Arlington County Board issued a statement Monday night saying its officers were used for a purpose not worthy of our mutual aid obligations. Arlington officers joined a team of federal law enforcers using chemical agents and flash bangs to forcibly remove a large group of peaceful protesters from Lafayette Park. That cleared a path for President Donald Trump, who had just issued a statement from the Rose Garden vowing to crack down on protesters, to walk from the White House over to St. Johns Church, which had been damaged in earlier protests. Trump then posed with a Bible for a few minutes. County Board Chair Libby Garvey said on Twitter shes appalled that the mutual aid agreement was abused for a photo op. D.C. Mayor Muriel Bowser, for her part, said Tuesday that the District of Columbia never put out a call for mutual aid. I might suggest their officers shouldnt have been there in the first place, Bowser added. In a phone interview, Garvey said the aid request came from U.S. Park Police, and that the agencies have provided aid to each other routinely over the years. She said Arlington Police were helping in the District Saturday and Sunday without incident. What was unacceptable Monday, she said, was using officers to facilitate a press op. In Richmond, Virginia Gov. Ralph Northam said he rejected a federal government request to send the Virginia National Guard to the District in part because the troops were not requested by Bowser and because he didnt... 