Dallas Police Headquarter Attacked Overnight, Leads To Standoff With Suspect

HUTCHINS, TX - JUNE 13: Dallas Police use a robot to gain access to an armoured van, which authorities believed was rigged with explosives, and was driven by a suspect who attacked Dallas Police Headquarters in Dallas, Texas, June 13, 2015. A lone shooter in an armored van, believed to be rigged with explosives, opened fire on the Dallas Police Headquarters early Saturday morning. The shooter reportedly unleashed multiple rounds and planted explosive devices around the station before leading police on a chase that ended in a standoff in the parking lot of a fast food resturant. (Photo by Stewart F. House/Getty Images)