Hotel / Restaurant, Other Business Las Vegas, NV – Sprinklers keep fire from spreading at Sands convention center; No injuries November 14, 2015 viking210 A vendor booth at an ophthalmology convention went up in flames Thursday night at the Sands Expo and Convention Center, no one was hurt. Clark County Fire District responded to the alarm at 8:15 p.m. at 201 Sands Ave. The sprinkler system already had been activated. It took about seven minutes to extinguish the blaze, according to a news release sent Friday. Thirty firefighters responded. Sprinklers kept the blaze from spreading, the news release said. The building was evacuated, and firefighters helped air out lingering smoke. Investigators are still trying to figure out how the fire started.