Tyga ‘s music video shoot was shut down by LAPD Tuesday afternoon … after it was overrun by a mob of more than 1,000 fans who were trying to get on camera. TMZ was told Tyga was performing outside his clothing store on Melrose Ave. — but when the crowd got out of control … police moved in an forced Tyga to shut down the shoot. Cops were concerned about the size of the crowd and their ability to keep fans. TMZ reports that there were no arrests.