At least four police officers have been killed and seven others wounded by two snipers who opened fire during a protest in the US against police racial bias.<br /> <br /> Front page of tomorrow morning's Dallas Morning News. NBCDFW pic.twitter.com/hPbuOBZ64Z— ScottGordonNBC5 (ScottGordonNBC5) July 8, 2016<br /> <br /> <br /> <br /> Photograph by Ting Shen/The Dallas Morning News via AP pic.twitter.com/HrSbSnRZ90— Donald R. Winslow (@donaldrwinslow) July 8, 2016<br /> <br /> <br /><br /> There was panic as the shooting started. Protesters ran for cover.<br /><br /> The Dallas Police Chief says explosive devices may also have been planted.<br /> <br /> #BREAKING: Dallas suspects claim to have planted bombs: police chief— AFP news agency (@AFP) July 8, 2016<br /> <br /> <br /> <br /> Timeline<br /> <br /><br /> <br /> Thursday evening – thousands take part in “Black Lives Matter” protests across the US after the fatal shootings of two black men by police in Louisiana and Minnesota<br /> Hundreds attend a rally in downtown Dallas<br /> <br /> <br /> <br /> <br /> <br /> The demonstrators have stopped on the steps of the Old Red Museum for more speaking. pic.twitter.com/jKLTdDduvy— Dallas Police Depart (DallasPD) July 8, 2016<br /> <br /> <br /> <br /> #Demonstration in #Dallas pic.twitter.com/YZXXPAOoBn— Dallas Police Depart (DallasPD) July 8, 2016<br /> <br /> <br /><br /> <br /> Firing began as the event came to an end at 2100 local time<br /> <br /> <br /> Is the emergency still going on?<br /> <br /><br /> Police say the scene remains an “active-shooter situation”.<br /><br /> The AFP news agency says two people have been arrested.<br /> <br /> Fact check<br /> <br /><br /> Figures for 2015 suggest more than a thousand people are killed by police and law enforcement agencies in the US.<br /><br /> No official federal record is available but the Guardian newspaper keeps its own tally. You can see the results here<br /><br /> The final total for 2015 suggests the death rate for young black men was five times higher than for white men of the same age.<br />
