It isn't all doom and gloom; in south-west London, Merton Police have tried to lighten the mood by tweeting a picture of two snowmen, dressed in police garb and a row of police vans with faces drawn in the snow:
Forecasters have predicted it could be the coldest March in 50 years. In 1962, average temperatures for the month were 2.8C.
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Scotland Yard has released figures which show there were 9,000 stabbings in London in the past year including 866 teenage victims.
Two women had to be rushed to hospital after the driver of a 'BMW' mounted the pavement in a hit-and-run crash.
The shocking moment a cyclist was threatened by a driver with a metal baseball has been captured on a video posted online.