“Shooters killed five officers at a protest over police violence in downtown Dallas, sending screaming crowds scrambling for shelter and spurring an investigation into who was behind the ambush. The deadly gunfire erupted in Dallas on Thursday night as videos showing two African-American men shot by police in Louisiana and Minnesota spurred protests and debate over police use of force across the country. Authorities say three people are in custody and one suspect is dead in Dallas. They haven’t revealed details about the shooters or their motives.”
Source: Dallas sniper attack: 5 officers killed during protests against police – CNN.com
