But Tayyar appears terrified of dying and says he fears not

Harrowing video footage has emerged showing the final moments of a reluctant teenage suicide bomber who burst into tears when ordered to blow himself up during an attack on a Syrian village.

Despite his apparent fear of dying, Uzbek national Jafar al-Tayyar is told to drive an armoured vehicle packed with explosives into the besieged villages of Fua and Kafriyeh.

Moments later Tayyar drives off into the distance and blows the vehicle up, sending a huge mushroom cloud into the air as his fellow jihadis in the Uzbek-led Imam Bukhari Jamaat militant group - which fights alongside Al Qaeda in Syria - storm the villages' defences.

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In tears: Despite his apparent fear of dying, Uzbek national Jafar al-Tayyar is told to drive an armoured vehicle packed with explosives into the besieged villages of Fua and Kafriyeh

Terrified: Far from embracing his impending jihadi death, the teenager appears terrified - openly crying as he sits in the armoured vehicle

On his way: The video shows Tayyar driving the vehicle off into the distance where he blows himself up

Aftermath: Separate footage of the attack was apparently filmed using a small drone by the Al Qaeda-affiliated Nusra Front militant group, with whom Tayyar's Imam Bukhari Jamaat are aligned

Footage of Tayyar's suicide mission was purportedly filmed to glorify him as a martyr after he blew himself up.

But far from embracing his impending death, the teenager appears terrified - openly crying as he sits in the armoured vehicle.

Off camera another militant can be heard trying to reassure him by saying: 'Jafar, my brother, don't be afraid. When you are scared, remember Allah.'

Tayyar responds by saying: 'I'm just scared I won't succeed'.

The video begins by showing Tayyar being embraced by several other militants loyal to the Imam Bukhari Jamaat militant group.

Unable to grow a beard, the teenager appears far younger than his fellow jihadis, who smile and pat him on the back as he prepares for his mission.

Read our full news coverage and analysis of the conflict in Syria

Young: Unable to grow a beard, the teenager appears far younger than his fellow jihadis, who smile and pat him on the back as he prepares for his mission

Tayyar is seen being embraced by several other militants loyal to the Imam Bukhari Jamaat militant group

In fear: At the prompting of the person recording him, the jihadi raises his right index finger in the air in a gesture widely used by jihads which supposedly means 'Allah is the highest'

Mobbed: Tayyar was surrounded by fellow jihadis filming him on their phones before his suicide mission

The video then cuts to a shot of Tayyar sat inside the explosive-laden armoured vehicle.

At the prompting of the person recording him, the jihadi raises his right index finger in the air in a gesture widely used by jihads which supposedly means 'Allah is the highest'.

At this point Tayyar's facial expression changes as the reality of what he is about to do hits home.

I'm just scared I won't succeed. - Suicide bomber Jafar al-Tayyar

Looking at the scenery around him, the militant appears to realise he is just moments from death and bursts into tears, sobbing as his fellow militants do their best to reassure him and insist he carry out the attack.

The clip then cuts to Tayyar driving off into the distance and blowing himself up, causing a huge mushroom cloud to rise high in the air.

Separate footage of the attack was filmed using a small drone by the Al Qaeda-affiliated Nusra Front militant group, with whom Tayyar's Imam Bukhari Jamaat are aligned.

Aftermath: A huge mushroom cloud is seen rising into the air after Tayyar's suicide bomb mission

Slick: The Al Qaeda-linked Nusra Front militant group have spoken proudly of the assault on Fua and have circulated drone video footage showing the devastation caused by their fighters

Destruction: Soaring high above the Syrian villages, thick clouds of smoke left over from the suicide bomb blasts hang heavy in the air in the drone footage released by the Nusra Front

Tayyar's suicide mission was part of a wider attack last Friday, during which more than 200 rockets and seven separate suicide bombs driven against the defences of Fua, according to The Times.

The main force behind the assault were Al Qaeda's Syrian affiliate Nusra Front, who are also known by the name Jabhat al-Nusra.

SYRIA REGIME INTENSIFIES RAIDS ON ISIS-HELD CITY OF PALMYRA The Syrian regime has intensified its air strikes on the ISIS-held ancient city of Palmyra, killing more than 100 people including civilians in recent days, a monitoring group said today. The fierce raids follow the delivery by Russia of new arms including warplanes to its ally Syria. Raids by warplanes and helicopters using barrel bombs and missiles left at least 12 civilians and 20 jihadists dead yesterday, the Syrian Observatory for Human Rights said. Dozens more were wounded in the strikes against targets including a militant headquarters in the city, which ISIS seized along with its UNESCO-listed world heritage site in May. Since Friday at least 33 civilians and 70 jihadists have been killed in an escalating assault by President Bashar al-Assad's aircraft. Advertisement

Nusra Front have spoken proudly of the assault on Fua and have circulated slick drone video footage showing the devastation caused by their fighters.

Soaring high above the Syrian villages, thick clouds of smoke left over from the suicide bomb blasts hang heavy in the air.

A ceasefire has since been declared in the area.

The video comes as a group of U.S.-trained rebels that recently returned to Syria said they are investigating reports that one of its members has defected and handed over his weapons Nusra,

The reports first circulated on social media after the group of about 70 rebels returned to Syria last week. They were armed and trained by the U.S. in Turkey.

This morning, the group known as Division 30 posted a statement on its Facebook page saying if allegations are true, it will refer the officer in question to a military tribal on charges of treason, but that it has so far been unable to contact him.