A 13-year-old boy who wishes to be named "Abu Hattab" sits wearing a black balaclava
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Islamic State crisis: The 13-year-old on 'righteous path'

A 13-year-old boy has told the BBC of his plans to join Islamic State, after watching jihadist videos and chatting to IS fighters online.

The teenager, who wants to be known as "Abu Hattab" was born in Syria and was first radicalised last year when he joined the extremist group Sham al-Islam.

He had Sharia lessons and learned how to use weapons. Within weeks, he says, he will go to the IS stronghold of Raqqa in Syria to become a young jihadi soldier.

Abu told the BBC's Mark Lowen: "Soon the West will be finished."

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