It is reported by RIA Novosti with reference to emergency services.
“Three people, including doctors, suffered from an unknown substance in a house in the southeast of Moscow.
Emergency services are checking," the source said.
The press service of the capital's head office of the Ministry of Emergency Situations told the agency that departments of the department are working at the scene.
Earlier it was reported that in Moscow a man was in intensive care after eating a watermelon bought on the market.