Disruption on Southeastern between London Charing Cross and Ramsgate due to lineside fire between Pluckley and Ashford International.
Trains are currently unable to run between Tonbridge and Ashford International.
Replacement buses have been requested are should be in place at around 16:20.
There is no current estimate for when a normal service will resume
More top news
Designer brand Hugo Boss faces a hefty fine for health and safety breaches after a boy was crushed to death by an 18-stone mirror
Badger culls have started in Dorset despite calls from the Queen guitarist and campaigner for them to stop while he seeks a judicial review
Friday morning's forecast for the east of the region