ພາບໄວ້ທຸກ ຢູ່ Dallas

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.

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

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

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

A Dallas police officer wears a mourning band on his badge that loosely translates to "No one can harm me unpunished" during a prayer vigil in a park following the multiple police shooting in Dallas, Texas, July 8, 2016.

A heart is placed on 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.

People take part in a prayer vigil at Thanksgiving Square, July 8, 2016, in Dallas.

Interfaith leaders take part in a prayer vigil in a park following the multiple police shooting in Dallas, Texas, July 8, 2016.

Flags fly at half staff at a plaza in the area of the attack on Dallas police officers in Dallas,, July 8, 2016

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.