A multi-vehicle pile-up on the M4 near Bristol is expected to cause problems for motorists for most of the day.
The motorway has been closed between junctions 21 and 20 Eastbound near Almondsbury following the crash.
Fire and ambulance crews are at the scene. One man is reported to be trapped in one of the vehicles.
Police are advising drivers to avoid the area if at all possible.
Vehicles travelling from the west along the M4 are being urged to use the M49.
More top news
It looks like it'll be the best day of the week so far. After that we're in for cloud and rain.
In the last 5 years more than 600 junior doctors have already made the decision to leave the UK - many to working in places like Australia.
Bristol graduate, Lara Casalotti, diagnosed with an aggressive form of leukaemia, has found a stem cell donor against the odds.