Describing the carnage, witness Devante Odom, 21, said: ”Everyone just started running.”
“We lost touch with two of our friends just trying to get out of there.”
Dallas police confirmed their fourth fatality, tweeting “with heavy hearts, we are devastated to report a fourth officer has been killed”.
Local resident Carlos Harris said the shots “were strategic”.
He said: “It was tap tap pause. Tap tap pause.”