Snow disrupts flights from London
Live London travel updates
Snow has caused travel disruption in outer London, while central London escaped the worst of the weather.
Flights have been suspended at City Airport and around 70 flights have been cancelled at Heathrow Airport.
Some westbound London overground rail services have been suspended and several trains are cancelled in and out of King's Cross and Moorgate.
Rail firm First Capital Connect expected further disruption and advised passengers to check before travelling.
Southeastern Trains between London, Canterbury, Folkestone, Dover, Ashford and Maidstone have been suspended.
Gatwick airport flights have been disrupted and Luton has suspended all flights.
Delays were reported on the Stansted Express rail service to Stansted airport.
The M20 has been closed from junctions eight to nine and the M40 has been closed northbound between junctions three and five.
The A1081, which is the main road connecting Luton Airport and the M1, was gridlocked in the early hours of Friday due to the large number of jack-knifed vehicles.
Most London schools opened on Friday, but 10 schools in Harrow, west London, were among those that remained closed.
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