Drivers stuck in Sussex snow
Snow, ice and freezing winds have caused travel disruption across parts of the UK, with more expected.
The Met Office has issued yellow "be aware" ice warnings covering Wales and most of England and Scotland.
An amber "be prepared" snow warning for the south-east corner of England suggests up to 10cm (4in) of snow could accumulate by Tuesday morning.
Hundreds of motorists are stuck on the A23 near Handcross, West Sussex, and other roads following snowfall in the area.