Britain's cold weather continues

A woman covers her face as she walks in snow in Edinburgh, Scotland Photograph: David Moir/Reuters

A man swims in the partially frozen men's pond after snowfall at Hampstead Heath in London Photograph: Matt Dunham/AP

The M25 near Brasted, Kent, after a tanker carrying liquid petroleum gas crashed in icy conditions, closing the motorway for several hours Photograph: Gareth Fuller/PA

Snow ploughs work to clear snow and ice on one of the runways at Edinburgh airport Photograph: Jeff J Mitchell/Getty Images

Airline passengers queue to enter the departures area at Terminal 3 at Heathrow in west London. Staff only allowed ticket holders for the few departing flights to enter Photograph: Luke MacGregor/Reuters

Collin Woods and his dog Zeb take a snowy walk on Porthcawl seafront, south Wales Photograph: David Jones/PA

A woman clears deep snow from her car using an old food packet on a street in Cirencester, Gloucestershire Photograph: Tim Ireland/PA

Christmas shoppers in London's Oxford Street as winter weather returns to the capital Photograph: Ian Nicholson/PA

Passengers at Edinburgh airport look up at the information boards as they face delays to their flights following disruption due to snow Photograph: Jeff J Mitchell/Getty Images

A couple walk in the snow below Glastonbury Tor in Somerset Photograph: Matt Cardy/Getty Images

A boy pulls his sledge back up a hill at Dunham Massey park in Cheshire Photograph: Phil Noble/Reuters

Ducks walk across the ice in a snowy St James's Park in London Photograph: Andy Rain/EPA

A snow plough is driven by a worker at Heathrow airport in west London Photograph: Luke MacGregor/Reuters

A man cycles along a snow-covered road in New Brighton near Liverpool Photograph: Paul Ellis/AFP/Getty Images

A train travels over snow-covered tracks as it leaves Waverley station in Edinburgh Photograph: David Moir/Reuters