Dallas Police respond after shots were fired at a Black Lives Matter rally in downtown Dallas on Thursday, July 7, 2016. Dallas protestors rallied in the aftermath of the killing of Alton Sterling by police officers in Baton Rouge, La. and Philando Castile, who was killed by police less than 48 hours later in Minnesota. (Smiley N. Pool/The Dallas Morning News)
DALLAS (AP) — Dallas Police Chief David Brown says three people are in custody after snipers opened fire on police officers during protests and says a fourth person is exchanging gunfire with officers.
Brown said at an early Friday morning news conference that authorities are negotiating with a suspect in a downtown parking garage who has been exchanging gunfire with officials.