MOSCOW (AFP) - Two spies in the pay of the British have been arrested, a former chief of Russia's FSB security services said in televised comments on the discovery of an alleged British spy operation in Moscow. Britain's Foreign Office said Sunday it was investigating the reports. "Two spies working for Britain were arrested," Nikolai Kovalev, now a lawmaker with the pro-Kremlin party United Russia, told the NTV channel on Saturday, without clarifying their nationality. "Certainly, they are not silent, they are speaking," added Kovalev, who headed the secret services from 1996-1998. His comments came as part of NTV's announcement...