The proceedings at today's sitting of the Bloody Sunday Inquiry were disrupted for almost an hour because of a power failure.
The disruption to the hearing occurred as a former soldier, known as Inquiry 666, opted to be affirmed before given his evidence, rather than taking the oath.
Lights and computer terminals in the Methodist Central Hall in London where the Inquiry is sitting, went out.
After power was restored, Inquiry 666 began giving his evidence to the Tribunal.