China: 18 miners killed due to excessive carbon monoxide level at a coal mine
Beijing, Dec 5 (PTI) Eighteen of the 23 workers were killed in a coal mine in China due to an excessive level of carbon monoxide, local officials said on Saturday.
The accident happened at around 5 pm on Friday at the Diaoshuidong coal mine in the district of Yongchuan in Chongqing Municipality, state-run Xinhua news agency reported.