An air and sea search is underway after a man went missing from a P&O Highlander ferry in Cairnryan.
Clyde Coastguard are co-ordinating the search for the man who was reported missing by a coach driver after the ferry docked at about 0930 GMT.
The ferry is being searched and a Royal Navy rescue helicopter and lifeboats from Larne, Portpatrick and Stranraer are searching for him.
Larne RNLI said the search is concentrated on Lough Ryan.
A P&O spokesperson said they had searched the ship and were assisting authorities to locate the passenger.
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