- Katy Perry 's performance at Belgium 's Werchter Boutique festival on Saturday was cancelled at short notice.
- The cancellation was government-mandated due to incoming inclement weather and crowd safety concerns.
- Perry expressed her disappointment, stating she was backstage when the news was delivered and had no choice in the matter.
- She acknowledged that the safety of the 55,000 attendees was paramount, despite her regret at not being able to perform.
- The cancellation occurred amidst a historic heatwave in Europe, with a severe storm passing over the country after the festival was called off.
IN FULL