A Royal Navy serviceman has been found dead at the naval base which is home to the UK's nuclear submarines.
999 crews were called at 12.30pm on Thursday after the death of a man at Faslane naval base, HM Naval Base Clyde.
Police Scotland are investigating.
A spokesperson for the Royal Navy, told Sky News : "We are aware of an incident and cannot comment further at this stage."
A Police Scotland spokesperson said: "Around 12.30pm on Thursday, 9 December, officers were called to Faslane naval base following the death of a man.
"A post mortem examination will be carried out to establish the exact cause of death, which is currently being treated as unexplained.
"A report will be submitted to the Procurator Fiscal."
The Clyde base is home to Britain's fleet of four Vanguard class submarines equipped with Trident nuclear missiles and five other Astute and Trafalgar class nuclear-powered attack submarines.
