As noted by AS, the latest threat includes a photoshopped image of Neymar awaiting execution by a jihadist. Messi can be seen lying on the ground next to an ISIS flag. The caption on the image reads "you will not enjoy security until we live it in Muslim countries."
This is one of the several news that have emerged regarding plots of terrorist attack against some sports men during the 2018 FIFA World Cup in Russia.
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Before the latest image, there was a previous one of Lionel Messi carrying blood which was released by the Wafa Media Foundation, a pro-ISIS organisation, earlier in the week with the tagline "Just Terrorism," per Marissa Payne of the Washington Post.
Both Lionel Messi and Neymar have helped Argentina and Brazil to secure qualification for the Mundial and they are some of the notable faces expected lit up the tournament.
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The competition is set to start on June 14 next summer and run until July 15, when the final will be held in Moscow at the Luzhniki Stadium. There are 11 host cities in Russia, with matches to be played at 12 different stadiums.