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.
More top news
Net migration to Britain was down 49,000 in the year to September 2016, the lowest level in more than two years.
Special forces say they have attacked a sprawling site adjacent to the city's airport in a bid to liberate the area from IS.
Flights and trains were cancelled or delayed and drivers were warned to steer clear of some main roads as winds of nearly 90mph hit.