A controlled explosion was carried out on a car in Portadown in County Armagh following a security alert.
The RUC sealed off an area around an abandoned car in Mandeville Street in Portadown following a number of coded warnings to the Samaritans shortly after 9 p.m.
An RUC spokeswoman said nothing was found in the car. The alert ended at about 3.45 a.m.