A person was killed instantly when a boiler exploded at about 4 p.m. at the Chengqu Hospital in Changzhi, Shanxi Province, and two others died while being rushed to the emergency room, the city government announced in a statement.
The injured people are being treated at the hospital and all are described in stable condition.
Online photos show that half of the boiler room was destroyed after the blast.
Local authorities have launched an investigation into the cause of the accident, the statement said.(*)