IN PICTURES: Explosion outside Londonderry courthouse

Second vehicle 'causing concern'
By Michael Cousins
Published 20th Jan 2019, 04:16 BST
Updated 7th Feb 2019, 18:00 BST
The mangled wreckage of the vehicle after a bomb exploded at Bishop Street, LondonderryThe mangled wreckage of the vehicle after a bomb exploded at Bishop Street, Londonderry
The mangled wreckage of the vehicle after a bomb exploded at Bishop Street, Londonderry

Images from Bishop Street, Londonderry