Engineering work has started to repair the swing bridge at Selby. The train line across it is now closed for six weeks with some services being replaced by buses as a new timetable is introduced.
A new timetable is in operation for the duration of the upgrade which Network Rail says will safeguard the structure of the bridge for the future.
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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.