Police cars sit on Main Street in Dallas following the sniper shooting during a protest on July 7, 2016. A fourth police officer was killed and two suspected snipers were in custody after a protest late Thursday against police brutality in Dallas, authorities said. One suspect had turned himself in and another who was in a shootout with SWAT officers was also in custody, the Dallas Police Department tweeted. / AFP / Laura Buckman (Photo credit should read LAURA BUCKMAN/AFP/Getty Images)
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AFP LAURA BUCKMAN