One of Belfast's best known buildings has undergone a multi-million pound revamp which once featured in popular BBC series Line of Duty.
BT's Riverside Tower building at Lanyon Place has been revamped into a modern workplace, which will now be home to around 2,000 staff.
Commenting on the official opening, The Secretary of State for Northern Ireland, Rt Hon Chris Heaton-Harris MP, said: "This is great news, with BT Group’s significant investment in its Belfast base showing just what an attractive place for business Northern Ireland is.