One man has been arrested after €300,000 of stolen property was recovered as part of an investigation into a criminal gang suspected of nationwide thefts.

During a search in north Longford on Tuesday gardaí recovered suspected stolen items including one vehicle, outboard engines, high-tech marine products and vehicle parts.

A man in his 40s was arrested and taken to Longford Garda Station and detained under Section 50 of the Criminal Justice Act 2007.

Five follow-up searches were conducted in north Longford, Westmeath and Dublin where three vehicles, suspected to have been stolen, were recovered along with parts from high-end vehicles.

An outboard engine for a boat recovered by gardaí

High-tech equipment for dismantling cars, suspected cannabis growing equipment and "substantial evidence of organised crime group activity" were also recovered, gardaí said.

A number of bank accounts have also been frozen.

The suspect remains in custody at Longford Garda Station and investigations are ongoing.