UPDATE 3-Serbia's president accuses Russia of spying

MOSCOW/BELGRADE, Nov 21 (Reuters) - Serbian intelligence agencies have uncovered a wide-ranging intelligence operation involving Russian spies and members of the Serbian military, President Aleksandar Vucic said on Thursday. Vucic's remarks came after a meeting of the National Security Council which he convened after a video showing a Russian intelligence officer handing money to a Serbian man in Belgrade was made public on YouTube over the weekend. The video, which was not made by Serbian agents, showed a man identified as Lt. Col. Georgy Kleban, a former assistant military attache at Russia's embassy in Belgrade, meeting a Serbian retired army officer, whom Vucic identified only as Z.K.