Russian news agency ITAR-TASS reports there were bars on the windows of the single-storey hospital building which is located about 70 miles outside Moscow. Some patients apparently died while trying to make it to the main entrance to escape. Many others died in their beds.
More top news
A man is facing jail for killing his toddler son by force-feeding until he "drowned in his food"
The quartet are to work on a 'ground-breaking' project with former Spice Girls manager Simon Fuller.
At least 17 people are dead after an airstrike outside a school in Syria, activists said.