17-year-old Georgia Williams disappeared from her home in Wellington in Shropshire on Sunday May 26. Police searching for her discovered a body in woodland off the Nant-y-Garth pass near Wrexham on Friday. Officers have yet to formally identify the body.
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The exhibition celebrates the contribution of the 11 million people living with disabilities in the UK.
Crowds are expected to gather this evening as an opera performance plays to the masses on a grandstand in the city centre.
The game was invented in the Birmingham between 1943 and 1945.