Ferry services between Scotland and Northern Ireland have been cancelled due to Storm Eowyn.
Both Stena Line and P&O Ferries have cancelled all sailings from Cairnryan, in Dumfries and Galloway, until Friday evening at the earliest.
Cairnryan is in part of the region covered by a red Met Office weather warning, with wind gusts of up to 100mph possible.
Operation Overflow is in operation, with story drivers who arrive at the port being stacked at Castle Kennedy.
A Police Scotland spokesman said: “Those booked on to any of the affected sailings are advised not to travel to the area due to the impending red weather warning and long delays are expected. They should instead seek alternative travel options elsewhere.
“Please check with Stena Line and P&O Ferries as appropriate for updates on your sailing.
“Freight drivers who must attend the area are advised to follow instructions from port operators and Police Scotland about accessing the Operation Overflow site while the cancellations are in place.”
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Stena Line sailings between Cairnryan and Belfast at 3.30am, 7.30am, 11.30am and 3.3pm are all cancelled.
The 7.30pm sailing is “in doubt”, with the operator hopeful of running the 11.30pm crossing.
P&O has so far cancelled its 4am, 8am and 12noon crossings between Cairnryan and larne.
A spokesman said: “We aim to restart service with the 4pm departures from both ports, delayed until approximately 5pm.
“However this is subject to change dependant on weather conditions.”