Xinhua news reported that at around 2:00 p.m. Monday, a 30-storey apartment building in Jing'an District caught fire as it was being renovated.
Witnesses said that a scaffolding initially caught fire and spread quickly to the building.
Firefighters were reportedly trying to rescue residents and construction workers trapped inside the building.
Huffington Post said that at least 12 people were killed while 90 others were severely hurt. Watch the video below.