Paralympians from London 2012 are amongst athletes taking part in the final day of the national championships for wheelchair rugby. Teams from across the country are competing at the Doncaster Dome as Victoria Whittam's been finding out.
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Gates giving access to the walls have been shut between Fishergate Bar and Postern Tower.
Olivia Bonnick-Campbell is thought to be carrying a black handbag and wearing a silver necklace with large, hooped earrings.
The gallery is the only British museum on the list of 46 nominees from 24 countries.