Travellers have been urged to plan ahead as snow and ice warnings prompt travel disruption in parts of the UK.ScotRail announced several train cancellations on Saturday in the north of Scotland, while a number of roads in the region have also been closed.Shetland, parts of the far north and north east of Scotland were under an amber snow warning until noon.

Travellers have been urged to plan ahead as snow and ice warnings prompt travel disruption in parts of the UK.ScotRail announced several train cancellations on Saturday in the north of Scotland, while a number of roads in the region have also been closed.Shetland, parts of the far north and north east of Scotland were under an amber snow warning until noon.