Rishi Sunak lavished praise on the architects of the Good Friday Agreement at an anniversary event today, as he joined a star-studded cast of political heavyweights in piling the pressure on the Democratic Unionist Party to return to power-sharing in Stormont.

The PM told delegates at Queen’s University Belfast that it had been the qualities of “courage, imagination, and perseverance” which “brought an imperfect but enduring peace to a place taught to believe no such peace was possible.”