(Reuters) - Five people died and 15 were injured following a carbon monoxide leak in a thermal power plant in northwest China’s Gansu province on Friday, Xinhua reported, citing local authorities.

The leak took place at 1120 local time (O320 GMT) in a thermal power subsidiary of Jinchuan Group Co Ltd [JCGRP.UL] when workers were repairing boilers, according to the report bit.ly/2pFK8G1.

All the 15 injured remain under treatment and the provincial authority is probing the accident, Xinhua reported.