1 police officer shot and killed, 2 others wounded in Dallas shooting ABC NewsDallas police shooting: 1 officer killed; 2 others hurt in Oak Cliff FOX 4 News Dallas-Fort WorthDallas officer killed, 2 others wounded in shooting; suspect dead after chase NBC DFWDallas police officer killed, 2 other officers wounded in shooting The Dallas Morning NewsDallas police officer killed, 2 others injured: ‘We lost one of our own’ Fox News