The Metropolitan line has been partly suspended this morning after a casualty on the tracks was reported.
Transport for London confirmed the partial suspension shortly before 9am on Monday 9 November. The live service update began at 8.46am, after reports of a casualty on the tracks.
There is no service between Wembley Park and Uxbridge, Watford, Chesham and Amersham while emergency services deal with a casualty on the track. There are now severe delays across the entire Metropolitan line, with the partial suspension continuing between Baker Street and Chesham, Baker Street and Watford, Baker Street and Uxbridge, and Amersham and Baker Street. Tickets are being accepted on London buses, the Lioness line, London Northwestern Railway and Thameslink. It is not yet clear how long the disruption will last. Passengers are advised to check before they travel and allow extra time for their journey.
The Metropolitan line runs from Aldgate and Baker Street in central London out to Amersham, Chesham, Uxbridge and Watford, and is one of the busiest routes on the Underground. The line is the oldest on the network, first opened in 1863.
The suspension comes on a difficult morning for London travellers. Thick fog has already caused disruption across the capital, with a yellow weather warning in place until 11am — the warning, issued by the Met Office, covers Greater London — and the M40 southbound is shut near the M25 after a crash involving four vehicles.
Tube strikes are also planned later this month, with the first walkout due on Thursday 26 November.
This is a developing story. Live updates below.

