use of the stadium, this bid was withdrawn, with instead a subsequent bid for the 2017 World Championships submitted instead. The success of this bid was announced on 13 November 2011. The men's and women's 2015 European hockey championships took place at the revamped Lee Valley Hockey Centre. London was announced as the only formal bidder for the 2017 World Paralympic Championships in October 2012. In December 2012 the International Tennis Federation announced that the Lee Valley Hockey and Tennis Centre would host the NEC Wheelchair Tennis Masters between 2014 and 2016. London successfully bid for the right to hold the 2016 UCI Track Cycling World Championships and the 2016 European Aquatics Championships, which were held at the Velodrome and Aquatics Centre respectively. Track cycling events of the Birmingham 2022 Commonwealth Games were hosted at the Velodrome. Resident sports clubs In addition to the use of the venues for international events, some of them are intended for use on a regular basis by amateur and professional sports teams in various sports. On 11 February 2011, West Ham United were selected as preferred bidders, ahead of Tottenham Hotspur, to take over the Olympic Stadium as a football venue after the end of the games. However, five days later Leyton Orient chairman Barry Hearn announced that he would be challenging the decision to allow West Ham to relocate to the stadium, as he believed that having West Ham playing within of their Brisbane Road stadium could cost Orient support and even their existence. Incidentally, Hearn had expressed interest some years earlier in moving Orient to Olympic Park and reducing its capacity to 25,000 seats, while West Ham would cut the capacity to 60,000 if their relocation went ahead. Tottenham Hotspur also pursued legal action over the decision and eventually the deal with West Ham collapsed due to legal pressure on 11 October 2011. West Ham did go on to win the later tenancy bid and began using the stadium from the start of the 2016–17 football season as the main tenant. The Copper Box was the only permanent indoor arena remaining after the end of London 2012. Built primarily for use in the handball and goalball competitions, it was converted to a multi-use venue that will include use for basketball. As a result of the owners of the Prestige Homes Arena in Milton Keynes terminating their lease, the London Lions basketball club,