Ten men have been arrested in Dublin in connection with dissident republican activity.

Two men in their 30s have been arrested in Dublin by gardaí investigating gangland activity on the north side of the city.

Gardaí investigating the fatal stabbing of a Latvian man in Swords in Dublin the early hours of Sunday morning this afternoon arrested a third man in connection with the death.

Two more people have been arrested today by gardaí hunting a gang which took a bank worker and his family hostage last week.

An American man was tonight being questioned by gardai after customs officers at Dublin Airport found he had swallowed 80 pellets of cocaine valued at €56,000.