Gardaí in Cobh have named the man missing after the car he was in ended up in Cork harbour last Sunday night.

He was 27-year-old Krystian Mielnik, a single man from Koszalin in northern Poland but with an address at Whitepoint Mooring, Cobh, Co Cork.

The search for Mr Mielnik missing since last Sunday has been wound down for the afternoon.

The coast guard service says it will continue to carry out low tide searches over the coming days for the missing man.

He was in a Volkswagen Polo car on the Carrigaloe ferry that ended up in the water on the Sunday evening.

A 32-year-old man rescued from the water was questioned by gardaí on suspicion of reckless endangerment.

He has been released without charge. A file is to be sent to the Director of Public Prosecutions.

The rescue helicopter from Waterford and the Crosshaven lifeboat recommenced searching an area of the harbour from the cross-river ferry at Carrigaloe to the harbour mouth this morning.

Units of the coast guard from Guileen and Crosshaven also searched the shoreline.

A team of navy divers were searching for the missing car using sonar equipment. They will resume their search tomorrow.

However, their task was made difficult by a river depth of up to 20 metres and by strong currents.

Gardaí in Cobh again appealed to landowners in the area to search any shoreline property for the missing man.