Damage to the overhead wires means that trains this morning are being cancelled / revised or delayed.

The damage was discovered between Alexandra Palace and Finsbury Park yesterday and has closed some of the running lines.

Disruption is expected until the end of the day.

Network Rail says that damage is ‘substantial’ and an 8 hour block will be needed to repair the damage tonight (10th June).

Great Northern peak time trains between Peterborough and London King’s Cross will be cancelled, in both the morning peak and evening peak times.

Some peak time trains to / from Moorgate will also be cancelled, mainly affecting services between Hertford North, Gordon Hill and Moorgate.

Peak time services between Welwyn Garden City and Sevenoaks will not call at New Southgate.

For the latest travel information, please visit National Rail Enquiries.