More pictures have emerged of Islamic State terrorists destroying sites of cultural significance, the latest showing Sufi shrines in Libya being levelled. The Tripoli arm of the group posted pictures of a convoy of pick-up trucks, followed by an image of a man attacking a shrine with a sledgehammer. Further pictures show the building being pushed over by a digger, the shrine having been reduced to a pile of rubble. More pictures have emerged of Islamic State terrorists destroying sites of cultural significance, the latest showing Sufi shrines in Libya being levelled . Mindless: Isis fanatics used a digger to level the shrine in Libya . The fanatics have caused outrage by destroying several ancient relics and sites in Iraq recently, as well as books and rare manuscripts . Isis posted pictures of the destruction in Libya on Twitter, explaining that the vandalism was carried out by its 'police' News of the destruction was tweeted by Conflict News, which posted the images with the message ‘#ISIS in Tripoli province posts photos of its "police" demolishing Sufi shrines’. The fanatics have caused outrage by destroying several ancient relics and sites in Iraq recently, as well as books and rare manuscripts. On Monday Iraq’s government began investigating reports that the ancient archaeological site of Khorsabad in northern Iraq had been attacked by the so-called Islamic State. Adel Shirshab, the country's tourism and antiquities minister, said there are concerns the militants had removed artefacts and blown up the site, located nine miles north-east of Mosul. The site before it was reduced to rubble by the extremists . The terrorists began by opening up a huge hole in the shrine . The image appears to show the 'police' en route to the shrine . Saeed Mamuzini, a Kurdish official from Mosul, said militants had already begun demolishing the Khorsabad site on Sunday, citing multiple witnesses. On Friday, the group razed 3,000-year-old Nimrud and on Saturday, they bulldozed 2,000-year old Hatra - both Unesco world heritage sites. UN secretary general Ban Ki Moon has called the destruction a 'war crime'. A statement by his spokesman on Sunday night said Mr Ban was 'outraged by the continuing destruction of cultural heritage in Iraq' by ISIS. Khorsabad was constructed as a new capital of Assyria by King Sargon II shortly after he came to power in 721BC and abandoned after his death in 705BC. ISIS extremists targeted a museum in Mosul using power drills and sledge hammers to destroy artefacts . It features a city wall with a stone foundation and seven gates. Since it was a single-era capital, few objects linked to Sargon II himself were found. However, the site is renowned for shedding light on Assyrian art and architecture. The sculptured stone slabs that once lined the palace walls are now displayed in museums in Baghdad, Paris, London and Chicago. ISIS currently controls about a third of Iraq and Syria. Iraq's minister of tourism and antiquities said the government was investigating reports that the ancient archaeological site of Hatra in north west Iraq is being demolished by militants from the Islamic State group . Officials in the northern city of Mosul confirmed militants with the terror group have begun destroying the archaeological site of Hatra in northern Iraq. A file photo shows the temple to the Shamash sun god in Hatra . The sculptured stone slabs that once lined the palace walls at Khorsabad are now displayed in museums around the world including these Assyrian winged bulls now housed in the British Museum in London . Other statues of winged bulls from Khorsabad can be found in the Louvre museum in Paris . The Sunni extremist group has been campaigning to purge ancient relics they say promote idolatry that violates their fundamentalist interpretation of Islamic law. On Sunday, officials reported that the jihadists had begun destroying the archaeological site of Hatra in northern Iraq. It comes after fanatics went on a rampage in the Assyrian city of Nimrud in northern Iraq, destroying the 3,000 year-old winged statues placed at the gates of the Palace of Ashurnasirpal. A video released last week also showed them smashing artefacts in the Mosul museum. In January, the group also burned hundreds of books from the Mosul library and Mosul University, including many rare manuscripts. At a press conference earlier yesterday, Mr Shirshab said they have called for an extraordinary session of the UN Security Council to address the crisis in Iraq. 'The world should bear the responsibility and put an end to the atrocities of the militants, otherwise I think the terrorist groups will continue with their violent acts,' he said.
Isis has posted pictures of its 'police' demolishing shrines in Libya . One image shows a man attacking a shrine with a sledgehammer . Further pictures show a digger moving in and levelling the sites . The fanatics have caused outrage by destroying  relics and sites in Iraq .