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Motorway is closed after gas leak Motorway re-opens after gas leak
(about 1 hour later)
Part of the M4 in South Gloucestershire has been closed after liquid propane gas began leaking onto the carriageway after two vehicles collided. Part of the M4 in South Gloucestershire has reopened after liquid propane gas began leaking onto the carriageway when two vehicles collided.
It is thought a goods vehicle carrying the cylinders collided with a van. It is thought a goods vehicle carrying the cylinders collided with a van just before 0800 GMT on Wednesday.
Initially police put a 300m (330 yards) cordon around the incident but later re-opened the westbound carriageway. Initially police put a 300m (330 yards) cordon around the incident but re-opened the motorway about 1030 GMT.
Roads closed include the M5 north to M4 east slip road, the M5 south slip road to M4 east and the eastbound M4 between junctions 19 and 20. For a time slip roads onto the M4 from the M5 were closed and the motorway shut between junctions 19 and 20.
An Avon and Somerset Police spokesman said no-one was thought to have been injured in the accident but that the motorway may be closed for "some time". Traffic in the area is still reported to be heavy.