RAF Typhoon fighter aircraft have operated alongside French warplanes in a combined operation against an hidden munitions depot in Syria used by the Islamic State group (IS), as stated by the UK Ministry of Defence.
The site, pinpointed through intelligence, was thought to be storing arms and explosives, the statement said, and was situated in mountains just above Palmyra in Syria's central region.
"Our aircraft utilized laser-guided Paveway IV weapons to strike a several entry passages down to the facility... preliminary assessments suggest the strike was effective," the MoD said.
There was no indication of any civilian casualties in the strike conducted Saturday night and each participating jet returned safely, the MoD added.
The Typhoon FGR4s were backed up by a Voyager refuelling tanker.
Daesh - referred to as Daesh - established extremist governance over large swathes of both Syria and Iraq until 2019.
"This strike underscores the UK's leading role, and determination to work closely with our allies, to eradicate any revival of IS and their dangerous and violent ideologies in the region," the British Defence Secretary the minister said.
British military aircraft have carried out surveillance missions over Syria to "forestall any attempted comeback" of Islamic State following its military defeat at the climactic battle in Baghuz in the year 2019, the ministry said.
"I extend gratitude to all the members of British forces who took part in this mission for their expertise and their courage," he added. "They were among numerous British personnel stationed over the festive period. This operation, to take out militants who pose a risk to our way of life, demonstrates how UK forces are always on standby, continuously, protecting the UK at home and powerful internationally."
In December, the United States armed forces conducted what it described as a "large-scale strike" against IS targets in the country, subsequent to an ambush claimed the lives of two US troops and a civilian linguist in the Palmyra area.
The United Nations reports IS still boasts roughly 5-7 thousand fighters in Iraq and Syria.
