Probe after blast at Irish culture office
There were no reports of injuries and the damage to the building is said to be relatively minor.
A warning with a recognised codeword is understood to have been given at around 10pm last night around an hour before the explosion in Guildhall Square.
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Hide AdIt is the second time that the office has been targeted, after a pipe bomb planted by dissident republicans in January caused minor damage to the building.
Derry’s winning of the UK City of Culture title has secured cross-community support in Northern Ireland.
Witnesses said it was a large blast which left smoke billowing out of the building.
The city’s Shipquay Street was closed off by officers investigating the blast.