Islamic State fighters claim they are not getting the chance to blow themselves up because they are being bumped down the suicide-bomber waiting list by nepotistic leaders.

A Chechen militant has complained that Saudi jihadis are favouring their own friends and family for bombing missions.

Kamil Abu Sultan ad-Daghestani said fighters were becoming increasingly angry after being left languishing on the waiting list for months.

Snubbed: ISIS fighters complain that they are not getting the chance to become suicide bombers because Saudi leaders are favouring their own friends and family when it come to allocating missions (file picture)

The complaint was posted by a militant on a website which is said to be linked to a group connected with Akhmed Chatayev (right), a Chechen militant in charge of the Yarmouk Battalion of ISIS

Ironically, he said some militants were dying on the battlefield before getting the chance to carry out a bombing.

Abu Sultan's complaint, was posted on a new website named Qonah which is said to be linked to a group connected with Akhmed Chatayev (Akhmad al-Shishani), a Chechen militant in charge of the Yarmouk Battalion of ISIS.

'Amir [Leader] Akhmed al-Shishani told me about a young lad who went to Iraq for a suicide mission and he went there because in Sham [Syria] there is a veeeeery long queue [of several thousand people],' he wrote.

He said the fighter eventually gave up after three months and returned to Syria, it was reported by Radio Free Europe Radio Liberty.

The young militant complained that he would only be able to secure a bombing mission through a 'blat' with the Saudi leaders – a Russian slang term meaning connections.

Powerful: The brother of ISIS leader Abu Bakr al-Baghdadi (above) has reportedly carried out a suicide attack

Abu Sultan wrote that the boy said: 'Those Saudis have got things sewn up, they won't let anyone in, they are letting their relatives go to the front of the line using blat.'

He said the only to deal with the 'corruption' was to make a direct appeal to ISIS leader Abu Bakr al-Baghdadi.

He recently noted on another site that Baghdadi's own brother and the son of his second-in-command had carried out suicide bombings.

The leader's cousin also reportedly blew himself up at a checkpoint in Iraq in April.

Named as Abu Hafs al-Badri, he was said to have died alongside fellow teenage suicide bomber Abu Yaqoub al-Iraqi during ISIS's offensive on the Baiji oil refinery in Salahuddin province.

Last year, British ISIS fighter Kabir Ahmed told BBC Newsnight that he had been desperate to join the 'waiting list' to become a suicide bomber.