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Saturday fixtures across rugby, football and horse racing are being postponed because of freezing weather.
Portsmouth's League One match at Accrington Stanley and Charlton's game at Morecambe are off.
In rugby, Worcester v Bristol and DMP Sharks v Wasps have been postponed in the women's Premier 15s.
In horse racing, meetings at Cheltenham and Doncaster have been called off while football's League Two and National League are also affected.
Leyton Orient's League Two trip to Crewe, Barrow's Cumbrian derby at Carlisle, Rochdale v Stockport, Salford v Walsall and Harrogate Town v Northampton Town have been called off.
In the National League, Halifax v Barnet and Solihull Moors v Aldershot Town are also off.
In the Premier 15s, Loughborough's game against Exeter has been moved from Premiership ground Franklin's Gardens to Loughborough University, with kick-off at 11:30 GMT.
That match was due to be streamed live on the BBC, but will be replaced in the schedule by Harlequins v Sale Sharks at 13:30 GMT.
Temperatures have plunged across the UK, reaching as low as -8.9C in Cumbria overnight.
Saturday's postponements
Football
League One
Accrington v Portsmouth
Morecambe v Charlton
League Two
Carlisle v Barrow
Crewe v Leyton Orient
Rochdale v Stockport
Salford v Walsall
Harrogate Town v Northampton Town
National League
Halifax v Barnet
Solihull Moors v Aldershot Town
Horse racing
Cheltenham and Doncaster meetings off
Rugby's Premier 15s
Worcester v Bristol
DMP Sharks v Wasps
Loughborough v Exeter (kick-off now at 11:30 GMT at Loughborough University)