<p>A hardline Muslim preacher suspected of radicalising three British jihadis told teenage disciples that it is ‘permissible’ under Islam to have sex slaves.</p>
<p>Ali Hammuda, an Imam at a Cardiff mosque where three young jihadis from the city worshipped before travelling to Syria to join Islamic State, also told the group of boys as young as 13 that the ‘day of judgment is close’ – a key part of IS’s warped propaganda.</p>