Detectives from the Police Service’s Terrorism Investigation Unit carried out searches in the Columbcille Court area of Derry on Saturday, September 9, as part of an ongoing terrorism investigation.
A 43 year old man was arrested under the Terrorism Act and has been taken into custody for questioning.
Detectives have also been granted an extension by a court to continue questioning two men and a woman who were arrested in Derry on Thursday under Section 41 of the Terrorism Act.