Doctors have said that Michael Schumacher is in a state of hypothermia in line with international medical practice.
His temperature is being regulated between 34 sand 35 degrees Celsius.
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Cloud and outbreaks of rain will ease away eastwards during the morning, clearing the east coast around midday with sunny spells developing.
Police and emergency services are attending the scene.
Rebel-held east remains at risk while the pumping station supplying the western part of the city is once again in operation.