A bomb has been found in a car stopped by police in Derry overnight.
The car was stopped in Westway in the Creggan area - four men, all aged in their 40s, were arrested.
Some residents were forced to leave their homes while the Army dealt with the bomb, which was described as a viable improvised explosive device.
Police said the arrests were made as part of an investigation into ongoing dissident republican activity.
Foyle MLA Pat Ramsey says that while it is welcome the device was intercepted, more disruption has been caused to the people of Derry: