Trial of former soldier hears from expert on how Islamic State recruited westerners

Move comes amid heightened security and punitive measures that followed breakout

A steadfast friend is one of the best things to have and to strive to be

Prominent Isis figure is believed to have organised Paris attacks in November 2015

Sister of alleged jihadi says she will ‘kill him myself’ if he is revealed as masked militant

Saudi Arabia-Iran crisis: split has roots in schism after death of Prophet Muhammad

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Analysis: Group reaching out to fill void wherever chaos exists or to create it in lands of infidel

Group combines medieval executions and slavery with Hollywood-worthy propaganda

Self-appointed caliph Abu Bakr al-Baghdadi commands an army ‘worse than al-Qaida’

Advance likely to result in government forces regaining control of international transit route