<p>Violence erupted</a> at a concert at North Park Observatory in San Diego, California, on the night of June 7, after a man jumped on stage to attack rapper XXXTentacion during a show.</p><p>XXXTentacion later came back on stage to explain to the crowd that the concert had to be cancelled, but said that he would make it up to the crowd with a free show.</p><p>Shortly after the attack, concert-goers began chanting: “F*** Rob Stone,” in reference to a rapper that XXXTentacion is reported</a> to have a rivalry with.</p><br />
