Fourteen people were trapped in a tunnel water gushing-out accident Thursday in Zhuhai City of south China's Guangdong Province, local authorities said.
The construction site of the Shijingshan tunnel, part of the city's Xingye expressway, flooded at around 3:30 a.m., said the local emergency management bureau.
Zhuhai has set up on-site rescue headquarters.
The rescue work and investigation into the cause of the accident are underway.