HARBIN -- Seven people were killed after a building partially collapsed in Northeast China's Heilongjiang province on Sunday, authorities said on Monday.

The accident happened shortly after midnight on Sunday in Hailin town, in the city of Hailin, trapping nine people. Two of them were taken to hospital for treatment and their injuries are not life-threatening. The other seven people were confirmed dead.

As of 11:27 am on Monday, the rescue work had finished while the cause of the accident was still being investigated.