Crowds line up to hug police officers in Dallas

Police Chief David Brown received a long and loud round of applause Friday before he spoke at a midday citywide prayer service in Dallas.

Police work is a job where you seldom hear the words "Thank you," he said.

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Hundreds of residents who packed Thanks-Giving Square Park in downtown Dallas replied with a resounding "Thank you."

After the service, which featured remarks from faith and civic leaders, musical tributes and prayers, many of those in attendance stood in line to offer their personal thanks to men and women in uniform. Soon, everyone began hugging.

"It’s overwhelming," said Senior Cpl. Monica Cordova. "We were overwhelmed with grief. Now we’re overwhelmed with gratitude."

Snipers in Dallas on Thursday shot 12 police officers and two civilians, killing five, as a protest over the deaths of two black men killed by police officers in recent days was ending.

Shots rang out around 9 p.m., as the snipers fired on officers from two locations, according to authorities there.