Two people were struck by a train at Riddlesdown station just before 8.30am this morning.
The line is currently closed and replacement buses are being used.
British Transport Police are at the station and we will reopen the railway as soon as possible.
Passengers should check National Rail Enquiries before travelling.
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Fine for many tomorrow.
A rollercoaster has come off the rails at a theme park in Scotland, leaving eight children and two adults in hospital.
"I saw a lot of smoke come out from the tail-end of the aircraft. I wondered if it was normal, whether it was just exhaust fumes."