A first pledge of allegiance to Islamic State emanating from South America appeared online just weeks ahead of the Rio Olympics.
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According to SITE Intelligence, which tracks the online activity of extremist groups, a channel on the Telegram app by the name of Ansar al-Khilafah #Brazil posted a pledge of allegiance to ISIS leader Abu Bakr al-Baghdadi.
The pledge by the Brazilian group is believed to be the first of its kind to have come from South America, The Independent reported on Tuesday.
With an estimated 85,000 police and soldiers patrolling the streets during the games – twice the security contingent in London in 2012 – Olympic and local officials have insisted Rio will be "the safest city on earth" during the August 5-21 games.