One person died and 35 others were injured after a four-story building collapsed in southwest China's Yunnan Province, according to local authorities.

The accident occurred at a construction site around 5:46 p.m. on Wednesday in the Puzi village of Kunming, capital of Yunnan province. The four-story building, which is under construction, collapsed and buried dozens of workers, the emergency office of Kunming said in a statement on Thursday.

More than 220 police, fire fighters and rescuers, along with 42 excavators and other vehicles were brought in for the rescue mission. A total of 35 people were pulled out of the debris and sent to local hospitals.

Three of the injured left after treatment on Thursday. One of the injured is in critical condition, while other patients suffered bruises or bone fractures.

The police said the building was a public venue used for village gatherings.