Jihadi John 'dead': British associate on Mohammed Emwazi detained in Turkey - live updates

The jihadist was targeted as he travelled through the Isis stronghold of Raqqa, Syria

Mohammed Emwazi appeared in a series of propaganda videos showing the beheading of hostages (AP)

The British Isis militant known as Jihadi John has been targeted by a US air strike in Syria. Here are the latest updates:

• US officials say they are "99 per cent sure we got him"
• David Cameron praised a 'strike at the heart of Isis'
• Jeremy Corbyn would have preferred Emwazi to go on trial
• Some of victims' families wanted him captured alive
• Activists say Mohammed Emwazi's car was hit by drone
• What impact Jihadi John's death would have on Isis
• Lucy Henning found out about father's death on Instagram
• How London student turned into Isis' poster boy

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Mohammed Emwazi, who appeared in a series of gory propaganda videos showing the beheading of foreign journalists and aid workers last year, was targeted in the Isis stronghold of Raqqa last night.

There has been no official confirmation of his death but a senior US military official told Fox News: “We are 99 per cent sure we got him.”

Philip Hammond told Reuters the British government "believes the strike was successful", while David Cameron stopped short of confirming the hit but praised a "strike at the heart of Isis".

Activists from anti-Isis group Raqqa is Being Slaughtered Silently said a drone targeted the car Emwazi was travelling in at around 11.41pm local time (9.41pm GMT) and that around a dozen more air strikes were counted before midnight.

The Pentagon has confirmed the air strike but said it would not formally announce the result until it had been fully assessed.