article 23 April 2015 World, Afghanistan
Italian and US hostage die in US strike on Al-Qaeda compound

President Obama apologises to the families of hostages Giovanni Lo Porto and Dr Warren Weinstein, saying he takes "full responsibility" for their deaths during a US counterterrorism operation.

article 23 April 2015 UK, France
Queen's University, Belfast (Getty Images)
Anger as Queen's University cancels Charlie Hebdo event

Queen's University Belfast denies cancelling a symposium on the Charlie Hebdo attacks over concerns about reputational damage, telling Channel 4 News the event had not been properly risk-assessed.

article 04 April 2015 World, Kenya
Al-Shabaab threatens more Kenya attacks after college siege

Somali Islamist militants threaten to carry out more bloody attacks on Kenya after the group's fighters killed nearly 150 people in an assault on a Kenyan university.

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.