Five coronavirus patients in an intensive care unit were killed after a fire broke out at a hospital in Vyborg district of St. Petersburg, Russia on Tuesday.

The fire reportedly broke out from a short-circuit in a ventilator and engulfed an area of 10 square meters, Russian news agencies reported.

About 150 patients and staff were evacuated from the St. George City Hospital, the country’s Ministry of Emergency Services said. But it’s not clear how many people have been injured.

Preliminary inquiries show that an electric equipment malfunction and short-circuit failure are among the factors behind the fire, according to emergency services

On Monday, Russia became third country in the World with the most Coronavirus cases after reporting more than 11,600 new cases of COVID -19. In total, they now have more than 221,340 cases and 2,009 deaths.