Emergency services person been dispatched to a dockyard successful Edinburgh aft a vessel tipped over.
The probe vas Petrel began to tilt to 1 broadside astatine Imperial Dock successful Leith astatine astir 08:30.
Police said it had go dislodged from its holding connected a adust dock. It is not known if anyone has been injured.
The Scottish Ambulance Service said it had dispatched 5 ambulances, an aerial ambulance, 3 trauma teams and a peculiar operations team.
Pictures posted connected societal media amusement the vas leaning astatine a 45-degree angle.
The 75m ship, which is owned by the property of Microsoft co-founder Paul Allen, was placed into semipermanent moorage successful 2020 arsenic a effect of "operation challenges" during the Covid pandemic.
Before this, it had been utilized for heavy h2o searches for shipwrecks and warfare graves astatine sea.
A Police Scotland spokesperson said: "Officers and exigency work colleagues are responding to an incidental astatine Imperial Dock successful Leith, whereby a vessel connected adust dock has go dislodged from its holding.
"The nationalist are asked to debar the country to let exigency work access."
Leith councillor Adam McVey described the incidental arsenic "terrifying" for those connected board.
He said connected Twitter: "Emergency services are responding to a large incidental astatine Leith docks - a vessel has been dislodged from its holding successful beardown winds.
"My thoughts are with those who've been injured & anticipation everyone recovers quickly. Please debar area."