Thursday’s Guardian eyewitness from Cairngorms, Scottish Highlands: Huskies in training for the 30th Siberian Husky Club sled dog rally at Loch Morlich near Aviemore. The biggest event in the British sled dog racing calendar was first held in 1984

Photo: Andrew Milligan

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Two killer whales surface through the ice. A dozen orcas were trapped and facing near-certain death in the frozen expanse of Canada’s Hudson Bay until they managed to break free, much to the relief of local people and the many thousands monitoring their plight online

Tuesday’s Guardian eyewitness: A ragpicker seeks warmth on a chilly day as northern India continues to face below-average temperatures

Approximately 18,000 shark fins drying on a rooftop in Kennedy Town, Hong Kong. A public outcry in 2010 forced traders to stop drying fins in the streets and move them out of sight. Photo: Paul Hilton

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Wednesday’s Guardian eyewitness: Syrian rebels at a training session near Idlib, in the north-west. The training is part of an attempt to transform ragtag rebel groups into a disciplined fighting force

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A restored original locomotive hauls a Victorian first-class carriage through Baker Street station in a test run for London Underground’s 150-year anniversary celebrations

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