Inverness and Aviemore rail line 'shut until Wednesday'
The railway between Inverness and Aviemore could remain shut until Wednesday after heavy rain caused a landslip close to the line.
Network Rail said an 18 metre (60ft) section of the railway lineside gave way shortly after 08.00.
It said more than 2,000 tonnes of rock would need to be installed before the stretch of line could be reopened.
Network Rail and ScotRail said it was hoped services could be resumed on Wednesday.
Until then services going south from Inverness are starting at Aviemore, with replacement transport in place for passengers between Inverness and Aviemore.
Trains going north to Inverness are terminating at Aviemore and buses are taking passengers from there to Inverness.
ScotRail said travellers headed for Edinburgh and Glasgow could also travel to Aberdeen for connecting services.
David Simpson, Network Rail route managing director for Scotland, said engineers were working around the clock to carry out the repairs.
He said: "Every effort is being made to restore full services as quickly as we can.
"We are also working with train operators to limit disruption to journeys as much as possible while we carry out our repair works."
A passenger on a train travelling south said the slip had occurred close to the Slochd, a pass between Inverness and Carrbridge.
He said the train was held at a signal before proceeding as far as was deemed safe to make a visual inspection. The service then returned to Inverness.