On a weekend filled with stories about killer cops, awful parents and Justin Bieber, ISIS released a video showing the purported destruction of yet another ancient Assyrian city, proving once again that, yes, they're still the worst.

The Iraqi government is investigating reports that ISIS have descended upon an ancient archaeological site at Khorsabad, according to the Associated Press. A Kurdish official from Mosul said that eyewitnesses reported that militants had begun demolishing the site on Sunday.

A day after ISIS militants in Iraq destroyed the remains of the ancient Assyrian city of Nimrud, fighters from the Islamist group have begun looting the ancient city of Hatra, the Associated Press reports.

In another assault on Iraq's cultural legacy, Islamic State militants reportedly destroyed the remains of the ancient Assyrian city of Nimrud Thursday, an attack Iraq's tourism and antiquities ministry says "defy the will of the world and the feelings of humanity."