ISIS appears to be stepping up its campaign to attract an international support base after clothing and memorabilia promoting the group appeared online.
The sale of Western clothing - including T-shirts, hoodies and baseball caps - bearing the Islamist group's name and slogans is a worrying development in ISIS' growth as a global 'terror brand'.
The jihadist group - which has taken control of large areas of Syria and Iraq in a shockingly brutal campaign that has been condemned as too extreme even by Al Qaeda - has previously been described as 'social media savvy' thanks to its widespread use of Twitter to spread propaganda.


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