Updated at 20:08 BJT, Saturday

The death toll from the blast has risen to 15 after three bodies of those reported missing were retrieved.

The search and rescue operation is now winding down.

Up to this point, 15 people are seriously injured. 

Updated at 17:19 BJT, Saturday 

The death toll from the blast has climbed to 12, as of 1600 BJT (0800 GMT) on Saturday.

Three people are still missing and 13 others are seriously injured.

So far, over 270 rescue workers have completed three rounds of rescue operations. 

More: Live: Latest on central China gas plant explosion

Updated at 07:15 BJT, Saturday

The death toll from the gas plant explosion has risen to 10, while five others remain missing, according to the information office of Sanmenxia City, central China's Henan Province.

The blast also left 19 people critically injured, and several others with minor injuries.

Local authorities have dispatched 46 fire engines and 209 firefighters to the scene for search and rescue operations.

A team of medical experts from Beijing and Zhengzhou have also arrived in Sanmenxia to help medical treatment.

Updated at 22:07 BJT, Friday

An explosion at a gasification plant in Sanmenxia City, central China's Henan Province, left two people dead and 12 others missing on Friday. 

Eighteen people were seriously injured. 

A rescue operation is underway. 

Updated at 18:59 BJT, Friday

An explosion occurred at a gasification plant in Sanmenxia City in central China's Henan Province, around 17:45 BJT (0945 GMT) on Friday.

Two people are unaccounted for, local authorities said. 

The blast shattered windows and doors of buildings in a three-kilometer radius.

The explosion did not occur in the gas tank areas, and all production has been stopped, according to the authorities.

The explosion caused multiple injuries and the injured were sent to the hospital, reported Xinhua citing its source.

The exact number of casualties remains unknown.