As of 2 pm on Thursday, the death toll has risen to 48 after part of an expressway collapsed in south China's Guangdong Province early Wednesday morning, according to a press conference held in Meizhou City.
The DNA of another three people has yet to be identified.
Thirty injured people are receiving hospital treatment, and none are in life-threatening condition, according to authorities of Meizhou City.
The collapse happened around 2:10 am on the Meizhou-Dabu Expressway in Meizhou. The collapsed section measures 17.9 meters in length and covers an area of 184.3 square meters, officials said.
Aerial photos show one side of the expressway caved in, causing 23 vehicles to roll down a slope.
The Ministry of Emergency Management has dispatched a team to the scene to guide rescue work, and has urged local efforts to accelerate search and rescue work, treat those who sustained injuries, minimize casualties, and determine the cause of the accident.
More than 500 personnel from local emergency response teams, mine rescue teams and the fire brigade have joined on-site rescue work.