Large Criminal Activity
Police declare major incident after multi‑vehicle crash in London
London police declared a major incident following a multi‑vehicle pile‑up on a central London motorway, causing severe congestion and multiple injuries.
Metropolitan Police declared a major incident on the morning of 23 March 2026 after a large multi‑vehicle collision on the M4 motorway near Hammersmith. Emergency services responded to reports of several vehicles involved, with multiple occupants sustaining injuries ranging from minor to serious. The incident caused severe delays and lane closures as officers managed traffic and assisted paramedics. The cause of the crash is under investigation, with initial reports suggesting poor visibility and high traffic volume as contributing factors. Police urged motorists to avoid the area and seek alternative routes while diversions remain in place.
- Status
- active
- Location
- M4 motorway near Hammersmith, London, United Kingdom
- Date added
- 2026-03-23 01:52 UTC
- Last updated
- 2026-03-23 01:52 UTC
- Source
- BBC News
- Connected threats
- Not provided