More than 100 canine competitors are taking part in the annual Aviemore Sled Dog Race.
The coldest areas this year have been Aviemore, Braemar and Loch Glasgarnoch in the Scottish Highlands.
The second day of the annual Aviemore Sled Dog Race has been cancelled because of safety concerns.
The Cairngorms range, which is home to a reindeer herd near Aviemore, has had snowfalls since October.
An Aviemore-based call centre is to close with the loss of 85 jobs, its management has confirmed.
The race in 2010 was the first time the Aviemore event had been held on snow for 15 years.
Around Aviemore and Kingussie there is more than a metre (4ft) of snow.
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They were landed at Rothiemurchus near Aviemore and driven away in an ambulance.
Winking Owl and Vault in Aviemore, Skinandi's and The Newmarket Bar in Thurso and The Picture House in Dingwall.
Buses were running between Inverness and Aviemore to replace rail services because a derailed freight train continued to block the track.
Party leader Annabel Goldie told the event in Aviemore that she supported reducing Scotland's eight police forces to a single national force.
But at the Highland Wildlife Park near Aviemore, Britain's only zoo to have polar bears, they are going in the opposite direction.
There was disruption between Inverness and Aviemore while services between Aberdeen and Inverness and Perth and Inverness remained suspended on Tuesday evening.
The requirement for pubs and nightclubs in Aviemore, Inverness and Thurso to refuse entry to people after midnight was introduced in 2003.
The brakes are being put on the long-awaited return of go-karting to Aviemore because the rare Scottish wildcat may forage on the site.
The sleepercoach services will link London with Aberdeen, Aviemore, Cumbernauld, Dundee, Dunfermline, Edinburgh, Falkirk, Ferrytoll park and ride in Fife, Glasgow, Inverness and Perth.
Chief executive officer David Turner said it was a "black day" for Aviemore, and paid tribute to the "loyalty, commitment and dignity" of staff.
It required 13 pubs and nightclubs in Aviemore, Dingwall, Inverness and Thurso to refuse entry to people after midnight and was introduced in 2003.
However in September, the firm said it was closing an Aviemore-based call centre with the loss of 85 jobs after it lost a contract with HSBC.
The police force went ahead with the reduction in reception opening hours from 24 hours to 12 at Nairn - and also Aviemore the following year.
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Douglas Richardson, head of living collections for the Highland Wildlife Park, which is situated near Aviemore, said Marty and Dominika were the right age to start breeding.
By mid-morning on Monday, 10cm (4in) of snow had fallen in Aboyne in Aberdeenshire, with 9cm (3.5in) falling in both Aviemore in the Highlands and Eskdalemuir in Dumfriesshire.
MCofS safety officer Heather Morning has highlighted the issue after Nigel Williams, head of training at Glenmore Lodge, near Aviemore, wrote about the problem in the Scottish Mountaineer magazine.
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Sadly one of the cubs died, but his brother is now in the collection of the Royal Zoological Society of Scotland's (RZSS) Highland Wildlife Park at Kincraig, near Aviemore.
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