'Leading republican' questioned by gardaí ahead of Prince Charles visit
Four men are being questioned by gardaí in connection with an investigation into dissident republican activity.
It is understood that a leading figure in the republican movement is being detained after officers carried out more than 20 searches in three counties.
The operation is part of on overall increase in activities by anti-terrorism gardaí ahead of the visit of Britain's Prince Charles next week.
Three of the men arrested are aged in their 20s, while the fourth is aged in his 60s.
They are being held over alleged offences including directing terrorism, membership of an unlawful organisation, and possession of explosives.
