The M4 is likely to remain closed until the early hours of Sunday. The M48 is also closed between junction 1 and the M4. Officers are trying to identify the person and notify their next of kin.

He was later captured on CCTV cycling on a red pushbike towards the M48 bridge. When Gwent Police asked for motorists' dashcam footage, they issued the following statement: "Gwent Police is asking ...

The M48 Patton tank, which is owned by US Army Central (USARCENT), was transported from Shaw Air Force Base to Fort Knox's Logistic Readiness Center for a preservation project in late September.