Application for leave to appeal to the High Court. Appeal under s 162(1) of the Accident Compensation Act 2001. Whether District Court erred in law by finding that appellant’s mental injury was caused by a gradual process and not a single event as required by s 21B. Whether any bona fide question of law arose justifying leave to appeal to the High Court. Held: District Court correctly applied section 21B. No bona fide or seriously arguable question of law arose. Outcome: Application for leave to appeal dismissed.