"U.S. President Barack Obama and first lady Michelle Obama attend an interfaith memorial service in Dallas on Tuesday, July 12, after the <a href=""http://www.cnn.com/2016/07/08/us/philando-castile-alton-sterling-protests/index.html"" target=""_blank"">killing of five police officers</a> during an anti-police brutality protest in the city just days before."
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