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.
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The practice of sending mental health patients far away from friends and family for care has become endemic in the NHS, it has been warned.
Despite the use of combustible cladding in tower blocks, ministers were advised that regulations were tough enough, ITV News has learnt.
A milder night across the north than last night, with rain sneaking into southern Scotland from Northern Ireland.