Four people were killed and four others injured following a blast at a company in the city of Taizhou, east China's Jiangsu Province, on Tuesday, according to local authorities.

The incident took place at 3:30 p.m. at the Jiangsu Huili biotechnology company in the city's Gaogang District. The company specializes in biological fermentation and related fields.

An investigation into the cause of the blast is currently underway.