Whit Johnson has the latest on the multiple officers who were shot, at least three fatally, while serving a warrant in York County, Pennsylvania; Mary Bruce reports on the Federal Reserve lowering interest rates for the first time this year as Pres. Trump receives the royal treatment during his U.K. trip, with thousands in London protesting his visit; Aaron Katersky has details on the suspect charged in Charlie Kirk's murder, the sheriff saying he was "fearful of being shot by law enforcement;”