Dozens killed in suspected gas leak at Nigerian mine

The authorities have shut down the site in the state of Plateau and launched an investigation

At least 37 miners have been killed in a suspected carbon-monoxide leak at a lead and zinc mine in central Nigeria, in one of the West African country’s deadliest mining disasters in recent months.

The incident happened on Wednesday morning near the town of Wase in Plateau State, where toxic gas is believed to have built up in underground tunnels...