injured. one had a bloody head. another was said to be unresponsive. tear gas filled the air after protesters torched a police cruiser. baltimore police cruiseman eric qualchek asked parents to find their kids. >> you'll see tear gas and we're going to use appropriate methods to restore the community. >> >>reporter: it was with a block-by-block battle taking guidance from mayor stephanie rawlings-brake to give protesters breathing room and held a press conference. >> i'm at a loss for words. it just didn't -- it is idiotic to think that by destroying your city that you're going to make life better for anybody. >> reporter: at times it appeared to be a frenzy as rioters tried to turn over one vehicle and rip the door off