Thirty people have been arrested in a major garda operation targeting the sale and supply of heroin, cocaine and other controlled drugs in Dublin city.

The operation, codenamed Tempest, follows a six-month covert operation aimed at identifying people involved in the sale and supply of the drugs.

Gardaí said it was prompted by feedback from residents who engaged with community gardaí implementing the small areas community policy initiative in the North Inner City.

The operation is expected to result in almost 100 charges connected with drugs sale and supply offences involving 45 individuals in the area.....