Urgent track repairs are taking place after a safety inspection of the track at Horley.
Rail operator Southern tweeted to say services were being delayed by around 20 minutes between East Croydon and Gatwick.
It also said one of the southbound lines was blocked and that track repairs were taking place, meaning trains are running at a reduced speed.⚠️ #Horley - Trains are having to run at reduced speed due to urgent track repairs between Earlswood & Gatwick ⚠️...
