At least 10 people were killed and several others injured after an explosion at a gas plant workshop in China’s Yima city on Friday, according to reports

A device in the gas factory owned by the Henan Coal Gas (Group) Co. Ltd., located in the city of Yima was exploded in the evening on Friday, the government of Sanmenxia City said.

According to officials, 10 are confirmed dead and 19 others seriously injured so far.

The victims were taken to the hospitals, local officials said.

The explosion did not involve tanks of dangerous materials, the local government added

Beijing News quoted a local resident as saying, “The sound was extremely loud with a ball of fire and clouds of smoke in the air”.

“Customers who bought goods outside were hurt by broken glass,” he further said.

Rescuers are searching the missing people, authorities said.

The factory was named as the first provincial-level enterprise to put in place a double prevention system for safety production risks in Henan this month.

The Yima gas plant of Henan Gas Co Ltd was established in 1997 covering an area of 87 hectares with more than 1,200 employees.