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Metal detectors promised for Moscow track worlds

MOSCOW (AP) -- A top official for Russia's athletics federation says metal detectors will be used at the track and field world championships in Moscow in August.

Concerns about safety increased after last week's deadly bombings at the Boston Marathon.

General secretary Mikhail Butov told The Associated Press on Thursday that metal detectors will be set up at the entrances to Luzhniki Stadium, where all events except the marathon will be held.

He says the marathon presents less of a security challenge than in Boston because the one in Moscow will be four circuits of a course from the Kremlin to the stadium area.