British aid worker who has worked in Syria
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Syria conflict: 'Jihadists sneak in as aid workers'

25 June 2014 Last updated at 18:27 BST

A Muslim man who has worked in Syria as an aid worker says that jihadist fighters use humanitarian work as a cover to enter the country.

"A lot of people claim they're going there for aid work but obviously they're going to fight," says Ziaur Rahman.