Police Service of Northern Ireland detectives are questioning six people arrested in the early hours of today during a series of operations in the greater Belfast area.
The six are being questioned about dissident republican activity.
Three men were detained in Belfast while two more were taken in by police in the Derriaghy area near Lisburn, Co Antrim. A woman was also arrested in the nearby Dunmurry area.
All six suspects are being held in the PSNI serious crime suite in Antrim.