The coastguard and other emergency services are dealing with a major landslip at Monmouth Beach in Lyme Regis. Portland Coastguard say 150m of cliff has collapsed.
They are working to see if anyone has been caught up in the cliff fall.
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Wednesday will be wet to start with and will remain overcast for much of the morning, perhaps with mist and hill fog for some.
Wednesday will start damp and cloudy, perhaps with mist and hill fog for some.
A light breeze winds across the region, with clouds and rainy spells. There may be mist or fog in places.