Schools Close After 70 Poisoned in Russia

Authorities closed schools in part of Russia’s Chechnya region Wednesday after a mysterious poisoning sickened at least 70 people, most of them schoolchildren, officials said.

Schools in the area will be closed until further notice, said Sergei Kozhemyaka of the southern branch of the Emergency Situations Ministry.

Medical workers from Moscow have been taking blood samples trying to establish the cause of the illness. Among the theories is poisoning from a type of nerve gas.

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