A video purporting to show Islamic State extremists destroying the ancient Iraqi city of Nimrud has been posted online.

In the video, militants use drills, sledgehammers and a bulldozer to destroy ancient stone reliefs and walls, before huge explosions can be seen. The video footage could not be independently verified by USA TODAY.

The Islamic State, also known as ISIL and ISIS, considers the artifacts to be idolatry.

The video, posted late Saturday, follows a statement from Iraq’s Ministry of Tourism and Antiquities in March that the militants used heavy armed military vehicles to bulldoze Nimrud, near the country’s second largest city of Mosul, which is held by ISIL.

Last month, U.N. Secretary-General Ban Ki-moon called the devastation “a war crime.”

A militant in the video said: “God has honored us in the Islamic State to remove all of these idols and statutes worshiped instead of Allah in the past days,” the AP reported… see more

source: usatoday