The fire occurred in the ethylene glycol plant area of Sinopec's petrochemical complex at approximately 4 a.m. in the city's Jinshan district, the company said on its official Weibo account, reports CNN.

Rescue teams from Jinshan and Fengxian districts, and the city's chemical industrial park, reached the scene after the fire broke out.

The fire was later brought under control.

In a video posted by Shanghai residents on social media and reviewed by CNN, at least one explosion took place at the petrochemical plant as the fire billowed.