‘Jihadi John’ as he appeared in notorious ISIS execution videos.

The US Pentagon says it’s assessing whether a drone strike in Syria has killed ‘Jihadi John’ who was named last year as the London educated Mohammed Emwazi.

A statement by the Prime Minister David Cameron is expected later today.

Emhazi was identified taking part in a video in August 2014 which showed the beheading of US journalist James Foley.

He also appeared in videos showing the killings of UK hostages Alan Henning and David Haines, American journalist Steven Sotloff, aid worker Abdul-Rahman Kassig and Japanese journalists Kenji Goto and Haruna Yukawa shortly before they were killed.

Sky News released first adult image of Mohammed Emwai when enrolling as a University of Westminster undergraduate. Image: Sky News

The American news agency Associated Press quoted a US government official saying a drone had been used to carry out the attack on a vehicle in Raqqa which was believed to be carrying Emwazi.

This development takes place shortly after it was reported the daughter of 47-year-old hostage Alan Henning learned of his killing when seeing an image posted on the social media site Instagram.

Statement from US Pentagon (Department of Defense)

US forces conducted an airstrike in Raqqa, Syria, on 12 November 2015 targeting Mohamed Emwazi, also known as Jihadi John.

Emwazi, a British citizen, participated in the videos showing the murders of US journalists Steven Sotloff and James Foley, American aid worker Abdul-Rahman [Peter] Kassig, British aid workers David Haines and Alan Henning, Japanese journalist Kenji Goto, and a number of other hostages.

We are assessing the results of tonight’s operation and will provide additional information as and where appropriate.

“The Pentagon January 2008” by David B. Gleason from Chicago, IL – The Pentagon. Licensed under CC BY-SA 2.0 via Commons –

Statement from 10 Downing Street (Office of the British Prime Minister)

We have been working hand in glove with the Americans to defeat ISIL and to hunt down those murdering hostages.

The Prime Minister has said before that tracking down these brutal murderers was a top priority.

The Prime Minister will be making a public statement on the strike later on today.