Police ambushed in Dallas: How the night unfolded

After two police shootings this week in Minnesota and Louisiana, people gathered in Dallas Thursday night for a peaceful protest to honor the lives of Philando Castile and Alton Sterling.

The peaceful scene soon turned violent.

This story was originally published July 8, 2016 at 8:40 AM with the headline "Police ambushed in Dallas: How the night unfolded."