Valuable artifacts and other artefacts have been taken from Syria's National Museum in the capital, officials say.
The burglary was noticed on the start of the week, when museum workers reportedly found that an entrance had been damaged from the inside.
The half-dozen stolen sculptures were crafted from marble and traced back to the Roman period, a source stated to the Associated Press.
Syria's Directorate-General for Antiquities and Museums said it had launched a probe to identify the "details surrounding the disappearance of a collection of exhibits", and that actions had been enacted to enhance security and monitoring systems.
The head of domestic security in the Damascus region, General Osama Atkeh, was quoted by the government press as saying that authorities were investigating the theft, which he said had affected several "historical artifacts and unique items".
He noted that guards at the facility and additional people were being questioned.
The cultural institution, which was founded in the early twentieth century, holds the significant archaeological collection in the country.
It includes ancient inscribed tablets dating back to the Bronze Age from historical site, where proof of the most ancient writing system was found; early centuries CE ancient art from historical site, among the foremost cultural centres of the ancient world; and a ancient Jewish temple that was constructed at another archaeological site.
The facility was compelled to shut in the early 2010s, twelve months after the start of the internal strife. A large portion of the holdings was removed and kept at undisclosed sites to ensure their safety.
It partially resumed in 2018 and returned to normal in the beginning of the year, a month after insurgents removed President Bashar al-Assad.
Each of the six of Syria's Unesco World Heritage sites were affected or significantly impacted during the civil war.
The IS organization demolished numerous temples and historical sites at Palmyra, claiming that they were against their beliefs. Unesco condemned the destruction as a violation.
Numerous cultural items were also damaged or taken from archaeological sites and collections.
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