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 sound and security technology, including RFID smart card tagging of staff and VIP guests, and digitally managed sound. There are four computer server rooms to provide this technology. The complex is also covered by CCTV and security personnel. Arena visitors and their bags are screened with X-ray machines and metal detectors at the main entrance. The O2 Arena (referred to as the North Greenwich Arena for the 2012 Summer Olympics and Paralympics) is a 20,000 capacity venue, primarily used for live music. It is located at the centre of The O2 and is the first American-style, multi-purpose arena in London.