Officials from Fire Brigades Union Scotland have laid flowers at the site of the fatal helicopter crash in Glasgow.
FBU officials visited The Clutha bar to lay flowers on behalf of all FBU members. Proud of our members and all emergency services #Clutha
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Speaking to the BBC's Andrew Marr said Britain would be in a weaker position if it was not willing to walk away from negotiations.
Sunday will be a transitional day for the UK with cooler, fresher conditions filtering in from the north behind a band of cloud and rain.
The 17-year-old died after a stabbing in a park on March 1.