The picture was published in the latest issue of the extremist group's English-language magazine, with the caption "EXCLUSIVE - Image of the IED used to bring down the Russian
airliner."

The picture showed a yellow can of Schweppes Gold, a flavored soda marketed in Egypt, and what appeared to be other bomb components made of plastic and metal. The group also published a picture of what it said were passports belonging to people who died in the plane crash.

The extremist group, which has a powerful affiliate in the Sinai, had previously claimed to have downed the plane, which was mainly carrying Russian tourists, without offering further details. It said the attack was to avenge Russia's air campaign against the group in Syria.

The group said it "discovered a way to compromise the security at the Sharm el-Sheikh International Airport," without providing further details. It said it initially planned to bring down a plane from one of the countries participating in the U.S.-led coalition that has been striking it in Syria and Iraq.

But it says it changed the target to a Russian plane after Moscow began launching airstrikes in Syria in September. Russia's FSB security service said yesterday that a bomb brought down the plane.

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