A captured ISIS commander was reportedly forced to do a 'Game of Thrones-style' walk-of-shame through a Libyan city before he was hanged to death.

Abu-Nabil Al-Anbari, who was dispatched to set up an Islamic State branch in Libya, was caught by a rival Islamist group while fighting for control of the strategically important city of Derna.

Sensational reports suggest he was then marched through the streets as onlookers taunted him, led to the gallows and executed in front of the baying mob.

Cersei Lannister, a lead character in the popular fantasy-drama Game of Thrones, was forced to strip off and walk through the streets as furious crowd jeered and threw food at her in the show's season finale.

Executed: ISIS's second-in-command Abu-Nabil Al-Anbari (pictured) was allegedly forced to do a walk of shame through the Libyan city of Derna before he was hanged to death

Mimic: Cersei Lannister (pictured), a lead character in the popular fantasy-drama Game of Thrones, was forced to strip off and walk through the streets during the show to 'atone for her sins'

The public execution was described to the Daily Beast by two sources who allegedly saw footage of the shaming and hanging of Al-Anbari.

One source told the website how the ISIS commander was marched through the street 'Cersei Lannister-style', referring to the queen mother in Game of Thrones who was forced to walk naked through the streets to 'atone for her sins'.

The public nature of Al-Anbari's execution, which reportedly took place in mid-June, was meant to deter followers of the unnamed jihadi group from joining ISIS. It mirrors the gruesome execution videos its rivals have become infamous for.

Last summer, Islamic State leader Abu Bakr al-Baghdadi sent his close associates to Libya to try and negotiate alliances with local groups, according to the Wall Street Journal.

They were supposedly led by Abu Nabil al-Anbari, a former al-Qaeda operative.

He was tasked with merging ISIS with local jihadist groups in the north-African nation who had come under pressure from anti-terrorist offensives in the neighboring states of Egypt, Mali and Tunisia. T

ISIS are supposedly making millions out of taxing gangs who are smuggling people out of Libya and across the Mediterranean into Europe, an investigation claimed in May.

The terror group are allegedly demanding half the profit from vessels making the dangerous crossing - commanding up to £60,000 per boat - which is then used to fund their activities.

Territory: ISIS is thought to control some territory in Libya and in February, a video appeared to show cars carrying the notorious black flag of Islamic State (pictured) as they drove through the country

Atrocity: ISIS was blamed for the bloody executions of 21 Egyptian Christians on a beach in Libya (pictured) in February

Intelligence analysts also fear that would-be jihadis are exploiting the growing crisis of desperate migrants fleeing war-torn North Africa by joining them on risky boat crossings.

ISIS is thought to control some territory on the Libyan coast and in February, a video appeared to show a fleet of Toyota Land Cruisers carrying the notorious black flag of Islamic State as they drove through the country.

Men, women and children cheer and salute the pick-up trucks as they drive freely through what is believed to be the city of Benghazi.

The carefully produced propaganda video was uploaded by terrorist group Ansar al-Sharia on February 5.

The group declared city an 'Islamic emirate' in July 2014 before pledging allegiance to Islamic State just three months later. In November of that year, the UN blacklisted it as a terrorist organisation.

The group was widely blamed for the death of US Ambassador Christopher Stephens in Benghazi in 2012.