Four men have appeared in separate courts charged in relation to drugs seizures in Dublin and Limerick.

Two men, aged 40 and 43, appeared before Kilmallock District Court after €50,000 worth of heroin was found at a house at St. Mary's Park in Limerick on Tuesday.

While in Dublin two men aged 25 and 29 were due before the Criminal Courts of Justice after a kilo of cocaine worth €70,000 was found when two cars were searched in the Naas Road/Bluebell area.

A third man arrested in Dublin was released without charge.