MOSCOW (Reuters) - Russian security services have detained a London-based executive of flagship airline Aeroflot on suspicion of passing state secrets to Britain, Russian news agencies reported, citing sources.The TASS and RIA news agencies named the executive on Thursday as Dmitry Fedotkin and said he denied any wrongdoing. Fedotkin’s profile on the Linkedin website says he has been Aeroflot’s station manager in Britain for the last five years and was the airline’s UK country manager for almost three years before that. One unnamed Russian source was cited by Russian news agencies as saying Fedotkin had passed secrets pertaining to Russia’s social and political situation to Britain’s MI6 foreign intelligence service, but did not have access to state secrets linked to the aviation industry.