Six people have been killed in a blast at a chemical plant in Yancheng, eastern China, local authorities say.
Thirty people were also injured in the explosion, which took place at about 2:50 local time at the plant run by Tianjiayi Chemical.
China's earthquake administration reported a tremor equivalent to 2.2-magnitude at the time of the explosion.
Images on social media showed a fireball exploding at the site, billowing clouds enveloping the area, injured people and damage to buildings.