Fifteen people have been killed and five others injured in a fire early Wednesday at a market in the southern Chinese city of Shenzhen, the local fire department said.

About 145 firefighters worked to extinguish the blaze, which charred an area of more than 1,000 square meters (10,800 square feet), the fire department said in a post on Weibo, a Twitter-like service in China.

The blaze started around 1 a.m. Wednesday, the state news agency Xinhua reported. Later in the morning, firefighters were still clearing away the embers and searching for survivors in the debris, the agency said.  There was no immediate mention of the cause of the fire.

Firefighters cleared debris at the scene after the fire was extinguished

The Rongjian Farmers' Market is a venue for farm produce wholesalers in Gongming New District of Shenzhen, according to Xinhua.

(Source: CNN)