Mobile phone commercial set in London railway station takes accolade at British Television Advertising AwardsT-Mobile's flashmob-style advert at London's Liverpool Street station won the TV commercial of the year accolade at the British Television Advertising Awards last night.The commercial, created by the ad agency Saatchi & Saatchi, beat competition including Comparethemarket.com's TV campaign featuring the meerkat Aleksandr Orlov.