The Island Line has been suspended after a new landslip in the Sandown area.
The line was closed for several weeks for landslip repairs in January and only recently re-opened.
Replacement transport will operate while the damage is assessed
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Monday's weather for the east of the region
Monday's weather for the west of the region
The South of England is set to enjoy milder temperatures and is expected to escape heavy snow forecast for the rest of the country.