The landslip first occurred on Monday at Tinsley Green after heavy rainfall.

Trains running between Blackburn and Bolton are being cancelled following the landslip near Darwen.

On Sunday, buses will replace trains between East Croydon and Gatwick Airport.

National Rail say a points failure is being identified and worked on as a priority.

A yellow weather warning for snow and ice comes into effect from 17:00 GMT on Monday.

Routes including the Gatwick Express faced cancellations as engineers carried out repairs.

National Rail says repairs have been done to make the viaduct safe.

Network Rail engineers are replacing a deteriorating level crossing road deck and worn-out track.