LAS VEGAS, NV — Hotel mogul and GOP frontrunner Donald Trump had just handed the microphone over to a group of parents of people killed by undocumented immigrants when the chants began to ring out in the cavernous hall at the Westgate Casino.
“Dump Trump!” shouted two local activists as they were quickly dragged out of the room by hotel security guards. “Black lives matter. Muslims matter.” When one of them fell on the ground, an angry crowd of Trump supporters encircled him, phones aloft to film. One elderly man in a pinstripe suit repeatedly screamed, “Take them out!” while another yelled, “Light the motherfucker on fire.”
A few minutes later, when Trump had retaken the podium and was extolling his latest national poll numbers, a handful of immigrant rights activists launched another disruption. The crowd around them booed loudly and began chanting Trump’s name over and over to drown them out. As they were roughly hustled out a side door, Alejandra Romero dropped her phone. A Trump supporter threw it through an open door onto the concrete outside. Shaken by the experience, she and Astrid Silva broke out in tears, huddling in the alley outside the casino.
As the two women contemplated filing assault charges, another one of the activists, labor organizer José Macías, told ThinkProgress why he decided to interrupt the controversial candidate.

http://thinkprogress.org/politics/2015/12/15/3731997/vegas-versus-trump/