Odds on a white Christmas rose today as much of Buckinghamshire was dusted by the first snows of winter.

Although the snow was said to be a 'dusting' it is expected to harden to frost overnight making travel conditions treacherous.

Traffic was vrtually stationary on some sections of the M40, and there were delays on the Metropolitan lines, but it is not clear whether that was due to snow.

Meanwhile bookies are giving odds at 4-1 of snow falling over London on Christmas day, indicating that punters believe that a white Christmas is likely this year.