Overview
- National Rail said the disruption ended shortly after 2am, with lines reopened and services able to run again.
- All lines were closed on Sunday evening to allow emergency responders access between Watford Junction and London Euston.
- Paramedics and British Transport Police attended, and Transport for London reported Bushey station closed as they dealt with a casualty on the track.
- Avanti West Coast and London Northwestern services saw cancellations and long delays on routes linking London with Manchester, Liverpool, Birmingham and other cities.
- Crowds formed outside Euston as shutters were pulled down, with initial estimates of an early evening resolution later extending into the night before services recovered.