P&O Ferries have cancelled all providers as scores of drivers had been 'turned away' at its main Scottish port.
A variety of motorists have allegedly been refused entry to Cairnryan, Dumfries and Galloway on Thursday morning.
It comes because the the agency introduced on social media that providers 'are unable to run for the following few hours' with passengers being handed onto different operators.
All ships had been requested to "come alongside in preparation for an organization announcement".
A assertion was launched on social media by P&O Ferries at 7.39am on Thursday.
It learn: "Regretfully, P&O Ferries providers are unable to run for the following few hours. Our Port Groups will information you and journey might be organized by way of another operator.

"We apologise for the inconvenience this may have in your journey plans."
One witness noticed 'numerous automobiles being turned away' from their port in Cairnryan, close to Stranraer - the place P&O run a service to Larne in County Antrim, Northern Eire.
Sources on the ferry agency concern 'liquidation' or 'political points' concerning the invasion of Ukraine are responsible.
The witness advised the Every day Document: "There is a roundabout close to the port, one lady in a yellow, hi-vis jacket is popping automobiles away to allow them to't get into the port.
"One pal, who's a lorry driver, was advised he could not get in and needed to go to the Stena Line port.
"One other pal, whose husband is lorry driver and was turned away, was advised all sailings had been cancelled in the present day worldwide.
"They weren't precisely certain why."
Prospects took to social media fearing the operator had 'gone into liquidation'.
The close by Stena Line service runs between Cairnryan and Belfast.
A P&O spokesman refuted claims the agency goes into liquidation, and stated travellers had been being suggested 'of different preparations'.
He advised the Every day Document: “P&O Ferries is just not going into liquidation. Now we have requested all ships to come back alongside, in preparation for an organization announcement.
"Till then, providers from P&O is not going to be operating and we're advising travellers of different preparations.”
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