Heavy snowfalls and strong winds cause problems in Scotland
Heavy snow has fallen across parts of Scotland, causing disruption.
Amber "be prepared" warnings cover large areas of the country were due to expire at midnight on Friday.
Some schools were closed for the day in a number of local authority areas, while others shut early.
Hazardous driving conditions have been reported on some of the country's main roads and there was disruption at Aberdeen International Airport.
Central Scotland Police said heavy snow had been falling across the region, while Grampian Police reported some road closures.
Several lorries are parked up on the A90 between Perth and Dundee. They are trying to deliver huge parts of a wind turbine but cannot get to the wind farm site because of the snow.
At one point eight HGVs got stuck in snow on the A82 between Crianlarich and Tyndrum.
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In Dumfries and Galloway, a number of schools were closed on Friday because of heavy snowfall in the area.
Snow also forced the cancellation of a "mass participation" opening show at the Big Burns Supper in Dumfries, which hundreds of schoolchildren had been due to attend.
There were also closures in Aberdeenshire and further schools reported ongoing problems with pupil transport.
Scottish Borders Council also closed some schools early.
Aberdeen International Airport was closed for a time for snow clearing, with some flights diverted to Edinburgh, but it has now reopened.
The Met Office said 4-8cm (up to 3in) of snow was likely over much of the affected area.
Forecasters added that accumulations of 10 to 20cm (4 to 8in) could be experienced over higher ground.
A warning of a heightened avalanche risk has been issued for the Cairngorms this weekend.
Transport Minister Keith Brown said the weather could result in a "testing" journey for some people but promised the Multi-Agency Response Team (MART) would monitor conditions and provide help across the network.
Mr Brown said: "According to the latest Met Office forecast, a combination of freezing temperatures, hard-packed ice and fresh snow will mean a testing journey for some people tomorrow.
"I would urge the public to take on board police advice about driving to the conditions, planning ahead and taking notice of travel updates.
"Despite the high level of service and winter treatments provided, sudden weather changes can occur, and stopping distances increase tenfold when driving in snow and ice."
The police have also repeated warnings about the need for travellers to take care.
Assistant Chief Constable Allan Moffat, from the Association of Chief Police Officers in Scotland, said: "We would urge people to be aware of the threat of disruption and to check with radio and TV bulletins and online before making their journey.
"It is also important that the advice and warnings given to those wishing to travel in the areas affected are heeded as the conditions may be hazardous."
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