The Gatwick Express is hoping to run a normal timetable between London Victoria and Gatwick Airport.
There are not engineering works due at the weekend but users are being warned that congestion on the motorways around London may lead to some delays as people try to visit the capital for the Jubilee pageant.
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Forecast for tonight and tomorrow in the east
Forecast for tonight and tomorrow in the west
Police body cam footage captured the incident in Brighton in June 2013.