Cocaine & cannabis was discovered during searches, as well as some suspected amphetamine
Cocaine & cannabis worth an estimated €1 million has been seized in Co Offaly.
A sawn-off shotgun and ammunition were also recovered during the search of a house, sheds and lands near Geashill yesterday evening.
The operation came as part of ongoing investigations into organised crime in the midlands.
Along with large quantities of cocaine and cannabis herb, some suspected amphetamine was also found and seized.
A man in his 30s was arrested at the scene.
He is being held at Tullamore Garda Station under Section 2 of the Drug Trafficking Act, 1996.
Gardaí say their investigations are ongoing.