Gardaí arrested four men in connection with a number of drugs seizures made in Dublin overnight.
Gardaí from Pearse Street carried out searches in west and south Dublin as part of the operation.
A house in Tallaght was searched at 5.30pm yesterday and cannabis and cocaine with a value of €60,000 were seized together with a quantity of cash.
One man in his late 30s was arrested and is being detained at Tallaght Garda Station under the provisions of Section 2 of the Drug Trafficking Act.
Elsewhere, a house in Clondalkin and a warehouse in Walkinstown were searched as part of the same operation, and a number of firearms and ammunition and cocaine valued at €500,000 were seized.
Three men were arrested in this operation and are being detained at Pearse Street Station under the provisions of Section 30 of the Offences against the State act.