By bizn_fun 
What we know about major disruption on rail linespublished at 09:19 GMT
Several train operators in south-east England are warning of major disruption this morning due to “multiple incidents”.
Here’s what you need to know:
Which routes are affected? All lines are disrupted across the Gatwick Express, Southern and Thameslink.
What’s caused the disruption? A derailment in the depot at Selhurst, London, and a signalling fault between London Blackfriars and Norwood Junction.
How long are delays expected to last? Until 13:00 GMT.
What is the advice? National Rail says: “We advise you do not travel on Thameslink and some Southern services this morning… you should allow an additional 60-90 minutes to travel this morning – and check before travelling.”