Two people have been confirmed missing and three others injured following a workshop explosion on Thursday at a chemical company in North China's Inner Mongolia autonomous region, according to Xinhua News Agency.

The explosion occurred at 11:49 am at a nitration workshop of Inner Mongolia Li Yuan Technology in Alshaa League, the report said.

Rescuers from local emergency response, firefighting, public security, and other departments have arrived at the scene. The cause of the accident is under investigation, the report added.