Great Northern Service to Moorgate from Finsbury Park

Great Northern, or known as the Northern City line service to Moorgate from Finsbury Park calls at Drayton Park, Highbury & Islington, Essex Road, Old Street, and Moorgate.
Due to a reported incident, Old Street station will not allow services to call there.
The train will run non-stop from Old Street to Moorgate.
Passengers were informed to travel to Old Street via London Buses. Not sure about the Northern line's Old Street station at the time.
Bringing back what was the Northern line's Highbury branch they called it before National Rail took over. The Highbury branch was in fact between Moorgate, and Finsbury Park. The Northern Heights extension had the Northern line up to Alexandra Palace, Muswell Hill, and other places up North, going towards Edgware, and Mill Hill East. Unfortunately work on this extension had the war in the way, leading it to a stop and never making the extension for passengers to use entirely. Now the Northern line travels to High Barnet, Mill Hill East, and Edgware via Charing Cross, Bank, Camden Town, Euston, Stockwell & Balham.