Delays of up to 45 minutes on First Great Western between Oxford and London Paddington due to problem with lineside equipment at Oxford.
First Great Western advise that a normal service is expected to resume by about 3pm. Also affecting Chiltern Railways and CrossCountry.
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Another cold and frosty night lies ahead, but the winter sunshine prevails for Friday.
Staying cold and frosty with plenty of winter sunshine.
Plenty of sunshine for some, but a little more cloud in the east and feeling cold