Police unsure whether fatal explosion was an accident

A massive explosion about 10 meters from a major county school in Lingchuan, the Guangxi Zhuang autonomous region, killed two people and seriously injured at least 44 on Monday morning.

The explosion occurred at 7:10 am, just as parents were dropping their children off at Balijie School, located on a busy street in Lingchuan and about 8 kilometers from Guilin.