Parades commissioner Billy Gamble has resigned after a High Court ruling exposed a procedural failure in the commission's handling of this year's Drumcree parade determination.

The Northern Ireland Office confirmed on Thursday that the Secretary of State had accepted Mr Gamble's resignation. His departure came two days after the court quashed the commission's decision to impose route restrictions on the annual Orange Order parade from Drumcree Church in Portadown.

The commission conceded the legal challenge after accepting that the final version of its determination had not been considered and approved by all six commissioners before it was issued. Mr Justice McAlinden made the quashing order and criticised the standard of the decision-making process.

The judgment concerned the lawfulness of that particular determination and the procedure used to produce it. It does not, by itself, authorise a future parade along Garvaghy Road. Any fresh notification must be considered through the statutory process and decided on the information then available.

Professor Evelyn Collins, who has chaired the commission since January 2024, has rejected calls to resign. She has accepted that the process fell below the required standard and said changes are being made to ensure final decisions are properly approved and recorded.

Northern Ireland Secretary Sir Chris Bryant has said confidence in the commission has been damaged and has sought a credible plan for rebuilding trust across the community. The commission is independent of government but its members are appointed by the Secretary of State under the Public Processions (Northern Ireland) Act 1998.

Unionist parties and representatives of the Orange Order have called for wider resignations following the ruling. Ulster Unionist leader Jon Burrows said procedural changes alone would not provide sufficient accountability and urged the remaining commissioners to step down.

The Drumcree dispute has remained one of Northern Ireland's most sensitive parading issues since the late 1990s. The commission has prevented the return leg of the Orange Order parade from proceeding along the mainly nationalist Garvaghy Road each July since 1998.

The immediate task for the remaining five commissioners is to demonstrate that future determinations are reached through a clear, complete and lawful process. Any new Drumcree application will require a fresh decision rather than relying on the determination that has now been set aside.

Correction, 28 August 2026: This report replaces an earlier automated version which incorrectly described Professor Evelyn Collins's role and used the wrong pronoun. It also clarifies that the High Court quashed the July determination because of a procedural failure and did not determine the outcome of any future parade application.