Five police officers were killed during an attack on a demonstration in Dallas. Seven officers and two civilians were wounded in the ambush, the city's mayor said Friday morning. The ambush occurred Thursday evening during a protest against the killing of two black men by white police officers in Minnesota and Louisiana. police shooting.
Dallas Police Ambush: 5 Officers Killed
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![People rally in Dallas, Texas, on Thursday, July 7, 2016 to protest the deaths of Alton Sterling and Philando Castile.](https://gdb.voanews.com/5A77483C-2027-4D90-A7FA-33577FFEF862_w1024_q10_s.jpg)
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People rally in Dallas, Texas, on Thursday, July 7, 2016 to protest the deaths of Alton Sterling and Philando Castile.
![People rally in Dallas, Texas, on Thursday, July 7, 2016 to protest the deaths of Alton Sterling and Philando Castile.](https://gdb.voanews.com/DA1FEECE-C28D-43E4-88A2-06ACC1331243_w1024_q10_s.jpg)
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People rally in Dallas, Texas, on Thursday, July 7, 2016 to protest the deaths of Alton Sterling and Philando Castile.
![A man lays on the ground after yelling "Don't shoot me" at police during a rally in Dallas, Texas, on Thursday, July 7, 2016 to protest the deaths of Alton Sterling and Philando Castile.](https://gdb.voanews.com/14DA6AB1-350D-4E13-AA85-7F94C73D9CD0_w1024_q10_s.jpg)
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A man lays on the ground after yelling "Don't shoot me" at police during a rally in Dallas, Texas, on Thursday, July 7, 2016 to protest the deaths of Alton Sterling and Philando Castile.