Gardai have arrested seven men in a series of drug raids across Dublin. 20 premises were searched by drug squad detectives as part of Operation Nitrogen.

Over €100,000 worth of cannabis plants and a small quantity of cocaine was also seized.

Gardai are satisfied that the plants were grown in 11 of the premises and cannabis manufacturing was taking place in nine of the eleven premises.

The scene at one of the premises

Gardai say the raids were part of intelligence-lead searches.

The seven men arrested are being detained under Section 2 of the Criminal Justice Act in various garda stations across Dublin.

The operation in the Dublin region is under the control of Assistant Commissioner John Twomey.