thanks for watching. "erin burnett outfront" starts right now. >>> outfront next, breaking news. shots fired at the u.s. capital. the capital building. the white house locked down. we're live with the latest. an exclusive interview with ted cruz who issued a new challenge to donald trump to want. bernie sanders hat trick after three big wins this weekend, could his momentum carry him to the nomination? let's go "outfront." >> good evening, i'm erin burnett. outfront tonight, the breaking news. chaos at the capital. gunfire breaking out at the u.s. capital this afternoon. a man setting off metal detecters at the entrance pulling a gun, then shot by a capital policeman. all taking place in an area crowded by tourists and those on spring break. he is identified as larry russell dawson. a female bystander injured, struck by shrapnel.