Millennium Dome the dome's new owners, the Anschutz Entertainment Group, to a design by HOK SVE and Buro Happold. It cost £600 million, and the resulting venue opened to the public on 24 June 2007, with a concert by rock band Bon Jovi. During the 2012 Summer Olympics, the artistic gymnastics events, along with the medal rounds of basketball, were held at The O2. It also held wheelchair basketball events during the 2012 Summer Paralympics. For sponsorship reasons, during those times the arena was temporarily renamed the North Greenwich Arena. Issues related to the Dome damaged Peter Mandelson's and John Prescott's political
The O2 was necessary due to the contaminated soils from the industrial works which existed at the site before the dome. Catalytic converters were also installed within the dome to prevent toxic gases due to the dome structure being left in place. The plant cylinders, containing services equipment, and some piles used for the original dome, were reused. Financial consulting was provided by WT Partnership and EC Harris. The Waterfront partnership provided legal support for the development and continues to do so for The O2. Kerzner International helped with the development of the entertainment venues. Anschutz planned to build a 'super casino'