post 20 March 2015
Read more on Simon Israel's blog Teenager jailed for planning Woolwich-style attack

Ninteen-year-old Brusthom Ziamani is jailed for 22 years for plotting to carry out an act of "horrifying savagery".

article 17 March 2015 World, Iraq
Islamic State clashes prompt Sirte families to flee

Families desert Libya's coastal city of Sirte after two days of clashes between Islamic State militants and fighters loyal to a government based in Tripoli.

article 17 March 2015 UK, Syria
New CCTV of British teenagers at Turkey airport

Sabiha Gokcen airport releases footage of three teenagers - two cousins aged 17 and a man aged 19 - from London being detained as they allegedly attempt to travel to Syria to join Islamic State.

article 05 March 2015 UK, United States
Diane Foley, mother of murdered hostage James (Getty)
Diane Foley: 'How could he use his talents for such evil?'

Diane Foley, mother of murdered hostage James Foley, tells Channel 4 News the transformation of model student Mohammed Emwazi to Jihadi John, who is believed to have killed her son, is "frightening".

video 02 March 2015 World, Kuwait

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'Jihadi John' - a model worker? - video

Channel 4 News has tracked down the Kuwaiti IT company that once employed Mohammed Emwazi - now known as "Jihadi John" - and where fellow workers regarded him as a sound colleague.

article 27 February 2015 UK, Iraq
What do we still not know about Mohammed Emwazi?

The identity of masked Islamic State militant "Jihadi John" was revealed on Thursday. But what we have since learnt about Mohammed Emwazi throws up as many questions as answers.

article 27 February 2015 UK, Iraq
How west London became an extremism hotbed

Mohammed Emwazi grew up in Shepherd's Bush and Queen's Park, areas of north west London that have had a long and uncomfortable history of radical extremism. Channel 4 News looks back.

article 27 February 2015 UK, Somalia
Jamal Osman by Security services and the road to radicalisation

It has been commented on that - like the Woolwich killers  the British security services had a file on Mohammed Emwazi. Here, Channel 4 News Africa reporter Jamal Osman describes his own experiences.

article 27 February 2015 UK, Iraq
Mohammed Emwazi 'will have nowhere to hide'

A friend of US hostage Steven Sotloff, who was murdered by Islamic State militants, says that family take some comfort from having a name for the "masked face they have seen in their nightmares".