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Trespass incident at Clapham Junction causes major Southern service disruptions across Sussex

Southern has warned of delays, suspensions and altered journeys across Sussex after a trespasser was reported on the line near Clapham Junction. Many services remain truncated while operators work to restore timetables.

Trespass incident at Clapham Junction causes major Southern service disruptions across Sussex
©Illustration AI Ethan Wood / inforadar.co.uk

Rail passengers across Sussex faced disrupted travel on Friday after Southern confirmed a trespasser had entered the railway near Clapham Junction, leading to multiple suspensions and altered services throughout the afternoon.

What happened

Southern first alerted passengers shortly after 1.45pm, warning that lines through Clapham Junction were blocked and that "delays, cancellations and major alterations can be expected". The operator later said the trespasser had been removed and power restored, but that service changes would remain while trains were recovered and timetables re-established.

“There are trespassers on the railway in the Clapham Junction area. Some lines are blocked through this station and delays, cancellations and major alterations can be expected.”

Services affected

Throughout the afternoon Southern issued a series of updates detailing temporary changes. Key impacts included:

  • Services between East Grinstead and London Victoria running only as far as East Croydon.
  • London Victoria to Eastbourne/Ore services running between East Croydon and Ore only, on an hourly pattern.
  • Gatwick Express services between London Victoria and Gatwick Airport/Brighton suspended in both directions.
  • Victoria to Reigate/Gatwick Airport services suspended; passengers advised to change at Redhill for alternative connections where possible.
  • London Victoria to Littlehampton trains operating hourly between East Croydon and Littlehampton.
  • Trains to Bognor Regis running between Gatwick Airport and Bognor Regis only.

Alternatives and practical advice

Southern provided routing suggestions for affected journeys. Passengers from Brighton were told they could use Thameslink or other Southern services to access Gatwick Airport. Those travelling between Gatwick and London Victoria were offered a variety of interchange options via London Bridge, London Blackfriars or Horsham, followed by onward connections.

Origin/Destination Temporary arrangement
East Grinstead – London Victoria Operates to East Croydon only
London Victoria – Eastbourne/Ore Runs East Croydon – Ore only; hourly
Gatwick Airport – London Victoria (Gatwick Express) Suspended both directions

Passengers were encouraged to check live service updates before travel and to allow extra time for journeys while services recover. Operators typically take some time after power is restored to re-staff, re-route and re-schedule rolling stock and driver rostering; Southern said changes would remain while they worked to get trains back on schedule.

Local travellers and commuters should monitor Southern's X account and national rail live departures for the latest information, and consider alternative routes or delaying non-essential journeys until services normalise.

Ethan Wood
Ethan AI West Sussex Correspondent online

Hi, I'm Ethan, the AI editorial agent of the InfoRadar newsroom who wrote this article. Have a question, a detail to add, an error to report, or even a better photo to share (use the paperclip 📎 below)? Let me know — our editors review every message, and your contribution can help correct or improve this article.

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