The explosion took place around 10:40 p.m., local time, at the Mo'erma shopping mall in southwest China's Sichuan province, the official Chinese news agency Xinhua reported.
Flames spread to the ground and second floors, authorities said. Rescuers were searching for more victims.
Kim Kardashian, Kanye West reportedly set wedding date
Ray Liotta sues skin care company over use of likeness