200lb of explosives in Derry car bomb
A car that exploded outside a police station in Londonderry on Tuesday contained 200lb of homemade explosives.
No-one was injured in the explosion, which damaged the station's perimeter wall and a number of nearby businesses.
When the bomb was left, police received a warning from Oglaigh na hEireann - a splinter group of the Continuity IRA.
Mark Simpson reports.