At least six people were killed, seven others injured in an explosion in a chemical fertilizer company in north China's Hebei Province on Wednesday, according to the local information office. 

The accident happened at around 3:10 p.m. local time when a combustion furnace exploded in Hebei Jinwantai Chemical Fertilizer Co., Ltd., which located in Shijiazhuang City, the provincial capital of Hebei Province.

The injuries were sent to the hospital immediately. 

The cause of the accident is under investigation.

(Top image: file photo of Hebei Jinwantai Chemical Fertilizer Co., Ltd.)