Four workers die from carbon monoxide poisoning in Dagestan

Four Vietnamese workers, who were working on the construction of a private home in a suburban community, have died from carbon monoxide poisoning in Dagestan, a source in the law-enforcement bodies said.

"According to preliminary data, the foreigners were poisoned by carbon monoxide," RIA Novosti cited him as saying.

A police spokesman said that the tragedy occurred because of incorrect operation of the diesel generator.