London Overground services are severely delayed after a signal failure at Peckham Rye.
Services towards Clapham Junction, Highbury and Islington and Croydon are likely to be cancelled or delayed at short notice.
The fault with the signalling system has now been fixed, however disruption is expected until 9am.
Tickets for Southern services are being accepted on all reasonable routes.
Please check before you travel this morning.
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