Watch Live: Snipers kill 4 Dallas police officers

<p>At least two police officers have&nbsp;<a href="http://www.fox4news.com/news/171359952-story" target="_blank">reportedly been shot</a>&nbsp;in downtown Dallas at the site of a rally. Their injuries are still unknown.</p><p>The shooting occurred at a march protesting two police-involved shootings of black men this week&nbsp;<a href="http://www.newsy.com/videos/fatal-police-shooting-of-a-black-man-sparks-protests-in-louisiana/" target="_blank">in Louisiana</a>&nbsp;<a href="http://www.newsy.com/videos/police-killed-another-black-man-this-year-and-the-aftermath-was-live/" target="_blank">and Minnesota</a>.</p><p><b>SEE MORE:&nbsp;</b><b><a href="http://www.newsy.com/videos/recordings-give-victims-of-police-brutality-a-better-chance-at-justice/" target="_blank">Recordings Give Victims Of Police Brutality A Better Chance At Justice</a></b></p><p>An officer at the scene&nbsp;<a href="http://www.wfaa.com/news/local/dallas-county/breaking-shots-fired-and-officers-down-at-downtown-dallas-protest/266881573" target="_blank">told WFAA</a>&nbsp;the shooter used a rifle to open fire on police. It&#39;s unclear whether anyone else was injured, and police haven&#39;t offered information on any possible suspects. We&#39;ll update this story as more information becomes available.</p><hr><b>Trending stories at <a href="http://www.newsy.com">Newsy.com</a></b><ul class="inline-related-links"><li><a href="http://www.newsy.com/videos/star-trek-gets-its-first-openly-gay-major-character/">&#039;Star Trek&#039; Gets Its First Openly Gay Major Character</a></li><li><a href="http://www.newsy.com/videos/obama-on-alton-sterling-philando-castile-and-why-black-lives-matter/">Obama On Alton Sterling, Philando Castile And Why Black Lives Matter</a></li><li><a href="http://www.newsy.com/videos/recordings-give-victims-of-police-brutality-a-better-chance-at-justice/">Recordings Give Victims Of Police Brutality A Better Chance At Justice</a></li></ul>