A rail buckling in the heat between Didcot Parkway and Oxford means that the line towards Oxford is blocked. Trains running through these stations will be cancelled.
Disruption is expected until 11:30.
Engineering work is taking place between Brighton and Haywards Heath, closing all lines.
A points failure at Harwich International means that trains are currently unable to run between Manningtree and Harwich Town.
Engineering work is taking place between Nottingham and Worksop, closing some lines.
Monday to Thursday
Engineering work is taking place between Doncaster and Cleethorpes, closing some lines.
Trains will be diverted via Huddersfield, start / terminating at Sheffield.
A trespasser on the railway between Shenfield and Witham means all lines are blocked. Train services running through these stations may be delayed by up to 35 minutes or cancelled.
Disruption is expected until the of service.
Repairs to the railway between Southall and Heathrow Terminal 4 means a reduced service is running between these stations. As a result, trains may be delayed by up to 10 minnutes, cancelled or revised. This is expected until 08:00.
There is a trespasser on the railway between Birmingham New Street and Wolverhampton meaning all lines are currently closed.
Due to trespassers on the railway between Farnborough Main and Woking, trains running between these stations may be delayed by up to 15 minutes or cancelled.
Disruption expected until approximately 22:00.
Engineering work is taking place between Tilehurst and Didcot Parkway, closing some lines on Friday night / Saturday morning.