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Travel writer Simon Calder told BBC Radio's Good Morning Scotland the scale of the shutdown was the largest since the Icelandic volcano eruption in 2010.

A dramatic image of her in the countryside at Balmoral taken by Julian Calder in 2010 shows her wearing the mantle of the Order of the Thistle and was inspired by paintings of clan chiefs.

Calder Hall in Cumbria was the first nuclear power station in the world to produce electricity for domestic use when it opened in 1956.

The Trades Club is owned by the national Labour party, but responsibility for its management rests with the local party in Calder Valley.

"Aircraft can operate safely in fog, but airports go into a kind of slow motion," says travel expert Simon Calder.