He got out and walked toward the building armed with a SIG Sauer MCX semi-automatic rifle and a 9mm GlockĀ 17 semi-automatic pistol. At around the same time, Omar Mateen arrived at the club via rental van, parking it in the parking lot of a neighboring car shop. About 320 people were still inside the club, which was serving last call drinks at around 2:00 a.m. On June 11, 2016, Pulse, a gay nightclub in Orlando, Florida, was hosting "Latin Night", a weekly Saturday night event drawing a primarily Latino crowd. Shooting First shots and hostage situation 5.6 Evaluations of performance of law enforcement.