Passengers in east London are facing disruption for the rest of the day after a freight train derailed near Barking.
Trains running through Barking are being cancelled or revised, with passengers warned of delays of around 10 minutes.
No services are calling at Dagenham Dock, Rainham or Purfleet. Please expect delays and service alterations.
London Overground services are being revised to run between Gospel Oak and South Tottenham only.
Meanwhile, c2c services have been suspended between Barking and Grays via Dagenham Dock, Rainham and Purfleet.
The disruption is expected to continue until at least the end of the day.
This is a developing story, more to follow.