Two further people have been arrested after police searches in West Belfast.
Detectives from the PSNI's Terrorism Investigation Unit carried out a search of a property on Sunday in Glenbawn.
Earlier on Monday, police said that a 17-year-old was arrested.
However, two further arrests happened on Monday afternoon.
A PSNI spokesman said: "Detectives from PSNI Terrorism Investigation Unit have arrested a 37-year-old man and a 36-year-old woman in the West Belfast area this afternoon.
"This was following a planned search of a property on Sunday, 29th September during which a 17-year-old male was arrested.
"All three have been arrested under the Terrorism Act and have been taken to Musgrave Serious Crime Suite for questioning."
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