On Friday the city of Dallas began mourning the deadly ambush on its police officers with makeshift memorials, prayer vigils and a swift outpouring of emotional reaction from political leaders.
In Photos: Dallas Mourns
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Flags fly at half staff at a plaza in the area of the attack on Dallas police officers in Dallas,, July 8, 2016
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A man holds a sign of support during a prayer vigil in a park following the multiple police shooting in Dallas, Texas, July 8, 2016.