HANGZHOU - Two people were killed and seven others were injured after a three-storey building collapsed at a construction site of a company in East China's Zhejiang province, local authorities said Friday.

Local authorities said earlier the accident occurred at around 8 pm Thursday in Changxing county. Their latest update on the accident revealed that quite a few workers were pouring concrete for the top of the building when the collapse happened.

An investigation is under way into the accident. Those who were injured are not in critical conditions, local authorities said.