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Sochi chief vows to make games 'safest in history'

People walk past a security camera installed outside the Olympic Park that is under construction for the the 2014 Winter Games, in the Black Sea resort of Sochi, Russia, Tuesday, April 16, 2013. Russian sports officials said Tuesday they will beef up security at sports events and the Sochi 2014 Winter Games in the wake of deadly explosions at Boston's marathon that killed three people, and injured over 140 others. (AP Photo/Artur Lebedev)

MOSCOW (AP) -- The head of Sochi's Olympic organizing committee says authorities will do everything to make the 2014 Winter Games the "safest in history."

Dmitry Chernyshenko said Wednesday that the security plan for Sochi meets international demands. He said in remarks carried by Russian news agencies that the system's efficiency has been proven at test competitions and will be tested at other events.

While Chernyshenko didn't mention the Boston Marathon blasts that killed three people and wounded more than 170 Monday, several other Russian officials pledged to beef up Sochi security after the bombings.

Sochi is in southern Russia, a region that has been destabilized by an Islamic insurgency that has spread after two separatist wars in Chechnya.