A 49-year-old man arrested by in connection with a pipe bomb that was discovered in Dunmurry last month has been released unconditionally.
Police were alerted to a suspicious object in an alleyway in Old Colin on June 24.
A security operation was launched and the Army bomb squad were brought in to examine the device, which was later declared viable.
The man was arrested in west Belfast on Sunday morning by detectives from the PSNI's Terrorism Investigation Unit.
He was released unconditionally on Sunday night.