611 drug arrests in city centre
Operation Spire saw 10,000 searches carried out on O'Connell Street in 2014.
The garda operation focused on O'Connell Street and its surrounding area of Henry and Marlborough Street and, as a result of the searches, 611 incidences of illegal drugs for sale and supply were uncovered.
On top of this, 511 cases of possession of drugs were detected - but these were not for actual sale.
A total of €10,000 in cash and 154 mobile phones were seized, for the purpose of the sale and supply of drugs, during searches.
A total of 496 charges came about as a result of the arrests. Across the northern part of the city centre, beyond the reach of Operation Spire, 6,000 more searches were carried out by gardai in 2014.
A total of 14,290 prescription tablets were seized.