Overview
- National Highways and Thames Valley Police shut both directions between junctions 12 and 13 due to a significant safety risk from a loose horse.
- National Highways issued a traffic alert for the corridor and motorists were warned to expect significant delays.
- The horse was safely moved away from the motorway and the carriageway reopened shortly after 11:15 am, according to local reports.
- Heavy congestion lingered across the Reading–Newbury stretch with tailbacks reported between junctions 11 and 14.
- Eyewitness images showed the animal on a verge over the barrier, leaning to graze, as responders managed the scene.