MOSCOW - IOC inspectors cited security as a key issue for Moscow's 2012 Olympic bid, wrapping up their four-day visit Thursday on the same day a prominent businessman survived an assassination attempt just outside the Russian capital.

Russia's security problems were underscored by the attack on Anatoly Chubais, head of the national electricity monopoly and a chief of staff for former President Boris Yeltsin. Assailants detonated a powerful bomb and then fired at his armored limousine. No one was injured.

Mayor Yuri Luzhkov acknowledged that Moscow has seen business-related and gangland violence since the city hosted the 1980 Olympics. But he said Moscow's successful hosting of other large sports events since showed its ability to guarantee security.

By The Associated Press