Royal Air Force Typhoon fighter aircraft have joined forces with French warplanes in a coordinated attack targeting an hidden munitions depot in Syria operated by the IS group, per a report from the UK's MoD.
The site, identified by intelligence, was thought to be storing arms and explosives, the statement said, and was located in mountains just north of Palmyra in central Syria.
"Our fighter planes used Paveway IV guided bombs to strike a series of entry passages down to the depot... initial indications indicate the target was engaged successfully," the MoD said.
There was no evidence of any civilian impact in the operation on Saturday evening and each participating jet returned safely, the MoD added.
The British jets were assisted by a Voyager aerial refuelling aircraft.
IS - referred to as the so-called Islamic State - established extremist governance over parts of both Syria and Iraq prior to its 2019 collapse.
"This strike demonstrates our UK leadership, and determination to operate in unison with our partners, to eliminate any resurgence of IS and their violent and radical beliefs in the area," UK Defence Secretary the Defence Secretary remarked.
RAF aircraft have carried out surveillance missions over Syrian airspace to "forestall any attempted resurgence" of the group after its routing at the Baghuz confrontation in 2019, the authorities noted.
"I must thank every member of the UK armed forces who took part in this strike for their professionalism and their courage," the Defence Secretary said. "They were part of thousands of British personnel stationed over Christmas and New Year. This action, to take out dangerous terrorists who pose a risk to our safety, highlights how British military are ready to step up, continuously, ensuring Britain's security domestically and strong abroad."
Last December, the American forces conducted what it described as a "massive strike" targeting Daesh sites in Syria, after an attack resulted in the deaths of two American soldiers and a civilian linguist in Palmyra.
The UN says Daesh still boasts roughly 5-7 thousand fighters in both countries.
