A man from Cardiff has been arrested after HM Revenue and Customs (HMRC) seized more than 169,000 litres of illicit alcohol, in what is described as the largest ever seizure of its kind in Wales.
Officers made the find in a raid on an industrial unit in a business park in Cardiff on Tuesday.
The alcohol was found loaded onto pallets, which a spokesperson said indicated it was ready for distribution.
The wine, beer and spirits are believed to be worth £303,000 in lost duty and taxes.
The man has been released on bail while investigations continue.