Under a light rain fall, Plano and Dallas fire departments prepare to fly a large U.S. flag above the main entrance to Prestonwood Baptist Church in Plano, Texas for the service and memorial of Dallas police officer Michael Krol, Friday, July 15, 2016. Krol was gunned down in an ambush attack in downtown Dallas a week ago. Four Dallas police officers and one DART officer were killed and several survived. (Tom Fox/The Dallas Morning News)
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