Cancer Research Ball held in Derry Sorry, we're having problems with our video player at the moment, but are working to fix it as soon as we can Waiting for Video... There was a huge crowd at the Cancer Research Ball in the City Hotel. You can watch our slideshow here. The Mayor of Derry Councillor Brenda Stevenson, arriving for the Cancer Research UK annual ball in the City Hotel, pictured with (from left), Sharon McGowan, Sharon Arbuckle and Gay Durkan. JOU 4014-1802MT.