Britain faces another week of travel disruption as forecasters warn there is more snow and ice on the way.
With travel chaos across the country and Britain's busiest airport cancelling more than 110 flights, forecasters predicted further misery in the coming days.
Following Friday's deluge of snow , a blanket of snow is expected to sweep across more of the nation today, hitting London and the South East of England first before spreading into the Midlands, north east Wales, East Anglia and central England.
Freezing temperatures will ensure icy conditions endure for some time, with more snow in northern England expected as the week begins.
The Met Office has issued yellow warnings for ice over much of the country, but a red, severe warning for South Wales which experienced the worst of the weather has been downgraded.
Sky News weather presenter Nazaneen Ghaffar said: "The heaviest snow will be across East Anglia and Kent where around 5-8cm (2-3inches) is expected.
"Further west, from the west of London into the Midlands and Wales around 2-4cm (0.8-1.6inches) could fall.
"Overnight the snow will move northwards into Lincolnshire, Yorkshire, The North East and eastern Scotland and it will be very cold with a risk of ice."
Heathrow Airport in west London said it was reducing the number of flights scheduled for today by at least a fifth after forecasters predicted another 2-6cm of snow and low visibility in the area.
Passengers are being urged to check with their airlines before travelling to the airport - where bosses are warning weather conditions at other European airports could further decimate schedules.
Emma Gilthorpe, executive director of Heathrow Ltd (formerly BAA), said the airport had very little leeway to cope with the kind of disruption caused by the weather in recent days.
She told Sky News: "The fact that we operate at almost full capacity means that when there's disruption and we do have to space the aircraft at a greater distance we have little room to manouevre, which is why it's so important we make decisions ahead of time so we don't cause disruption to more passengers than we need to."
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Passengers at Heathrow have been facing disruption after many were stranded on planes for seven hours or forced to spend a night on the floor.
More than 100 Saturday flights were cancelled and travellers complained about check-in queues of up to two hours as staff battled to clear a backlog caused by 400 cancellations on Friday.
A 22-year-old man was killed on Saturday when his car was involved in a crash with a bus and also hit a lamppost in Coventry, where temperatures had plunged to -1.3C at the time of the accident.
About 10 people were passengers on the bus and some were treated for minor injuries.
West Midlands Police said the road had been gritted and they did not believe the weather caused the accident.
On the railways, there have been widespread cancellations and delays to services across the country, with First Capital Connect running "ghost trains" overnight in a bid to keep tracks clear of snow.
The freezing temperatures over the weekend have prompted motoring organisations to issue warnings.
Darron Burness, the AA's head of special operations, said: "With the snow compacting down and turning icy, we're likely to see treacherous driving conditions throughout the weekend. Any fresh snow on top will just add to the problems."
The RAC said it had dealt with nearly 9,000 breakdowns - 10% more than usual.
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A young woman from Peterborough was killed in a crash involving a number of vehicles shortly after 6pm on Friday, Lincolnshire Police said.
It is not known if anyone else was injured in the accident, which happened in bad weather on the A1 at Little Ponton, near Grantham.
Humberside Fire and Rescue said seven passengers were taken to hospital after a double-decker bus collided with two cars and ploughed into a garden.
In Edinburgh, a 16-year-old broke his leg when his sledge ran out of control and he plunged down a 150ft embankment.