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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Ginny Alexander (R) wipes a tear as she and her mother Ariel Alexander stand behind a police car that makes up part of a makeshift memorial at police headquarters following the multiple police shooting in Dallas, Texas, July 8, 2016.

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Cynthia Ware places flowers on a makeshift memorial at the Dallas police headquarters, July 8, 2016, in Dallas.

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A restaurant posts a sign of support following the multiple police shooting in Dallas, Texas, July 8, 2016.

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People hold hands and pray during a prayer vigil in a park following the multiple police shooting in Dallas, Texas, July 8, 2016.