Up to 20 homes have been targeted in a wave of dawn raids by detectives investigating criminality in Limerick.
One man, aged in his 20s, has been arrested in connection with the operation.
He is being questioned at Roxboro Road garda station under section four of the Criminal Justice Act.
A Garda spokesman said a number of items including mobile phones and laptops were seized during the searches.
“As part of an ongoing operation targeting criminal activity in the Limerick city area, gardai searched up to 20 houses in the city this morning,” he said. “Investigations are continuing.”