According to media reports, ISIS has blown up the Arch of Triumph in the Syrian city of Palmyra. Palmyra was a center for art and commerce in ancient Rome and the Arch was estimated to be 2,000 years-old.

Maamun Abdulkarim, the country's head of antiquities, on Monday told Agence France-Presse he was told the "icon of Palmyra," which stood at the entrance to the UNESCO world heritage site, was destroyed by the militants on Sunday.

Abdulkarim also said that other antiquities have been booby-trapped with explosives.

"We are living through a catastrophe. Since the capture of the city, it has been one shock after another," he told AFP.

ISIS has destroyed several monuments in Syria that pre-date Islam, claiming the monmuments promote idolatry.

Last month, news emerged that they destroyed the city's ancient tower tombs, which date from 100 A.D. In August, they beheaded archeologist Khaled al-Asaad, a caretaker at the site and in July, militants released a video apparently showing a mass execution of soldiers within the ruins.

ISIL has also destroyed the 2,000-year-old Temple of Bel — Palmyra's main temple — the smaller Temple of Baal-Shamim, other ancient temples, modern day Islamic cemeteries and shrines.

"This is a systematic destruction of the city. They want to raze it completely," Abdulkarim told AFP. "They want to destroy the amphitheatre, the colonnade. We now fear for the entire city."

"Their acts of vengeance are no longer ideologically driven because they are now blowing up buildings with no religious meaning," he told Reuters.