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
O2 (Ireland) body, ComReg, that the Irish mobile phone market needed greater competition, and acknowledged that "tacit collusion possibly existed between O2 and Vodafone". In May 2007, O2 Ireland management announced that the entire O2 Ireland technical staff were to be outsourced to a single Managed Service Provider. The next month O2 customers got a busy signal or no dial tone at all when they tried to make calls due to a network glitch. The reason for the glitch remained a mystery at the time because the company's spokesperson couldn't be reached by the media on her mobile, also seemingly affected by