Cause of Hebei explosion killing 22 still unknown

The cause of the explosion that claimed 22 lives in Hebei is still unknown, despite media reports that a blast of a vehicle transporting hazardous chemicals led to a fire engulfing trucks with drivers inside, said authorities.

The blast occurred near Hebei Shenghua Chemical Industry Co in Qiaodong district, Zhangjiakou city, around 12:41 am. The accident also injured 22 others, who have been hospitalized.