Visitors got a taster of some of the 1,000 different activities that will be on offer throughout the centre's first season, including art classes, cookery demonstrations, lectures and films.
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Mark Duggan's death in north London in 2011 sparked a week of rioting in cities across England.
Officers carried out first aid and paramedics were called to the scene, but the victim was pronounced dead a short time later.
Reviews described the lounge at Stansted as having ‘stained carpets’ which were ‘dusted with crumbs’ and a ‘sad-looking buffet’.