North America is in the grip of a deadly storm. You have been sending us your pictures as the snow hits. This is Alan Bristow's road after the largest snowfall on record in Ottawa.

The driving snow and sleet caused widespread travel problems. Ali Janmohamed sent in this photo of a snowplough on highway 401 in Toronto, Canada.

Some people enjoyed the extreme weather. Tom Dobrich took this picture of his daughter Nikolina playing in the snow in Tecumseh, Ontario.

Tom Dobrich also sent us this picture of the sun setting over the snow in Tecumseh.

The weekend snowfall forced the cancellation of hundreds of flights across Canada and the US. Colleen Baker sent in this picture of berries in the snow in Indianapolis, USA.

Residents in eastern Canada faced the prospect of digging their way out. Nigel Reeve Molaro took this photo of the snowstorm on Metcalf Street, Ottawa.

News boxes were snowed under in Boston, USA. This picture was sent in by Michiel Pruijssers.

Ross Hughes took some time today to enjoy the snow storms in Bloomington, Indiana, USA with his dog Chopper.

In Toronto and Montreal, heavy snow combined with winds gusting up to 70km/h (45 mph). Mel James took this picture of a snowdrift in her back garden in Montreal, Canada.

Victor Rubdi took this picture of the US flag in his front yard in Millford, New Hampshire on Sunday.

Kent Hugo sent in this picture of a bike in Montreal completely submerged in a bank of snow. Send your pictures to [email protected] or text them to +44 7725 100 100.