Emergency teams are working to evacuate people from homes in York, as flooding continues to hit northern England, the media reported on Sunday.
Police advised between 300 and 400 people to evacuate near the Ouse and Foss rivers in York, with up to 3,500 properties at risk, BBC reported.
The York City Council said the Ouse river was expected to rise to over 5 metres - close to to its highest recorded level of 5.40 metres. The environment agency said the Ouse's water level had reached 4.65m on Sunday. Its typical level is between 0.5m and 1.9m.
Hundreds of flood alerts and warnings are in place for England, Wales and Scotland, including more than 30 severe warnings - indicating danger to life.
The Met Office issued a yellow warning for ice in parts of Scotland, but no further weather warnings were in place on Sunday morning.
Electricity North West warned power may not be restored to some homes until Monday. It said there were 8,100 properties across north-west England without power.
Prime Minister David Cameron is due to chair an emergency conference called later in the day.