Katerina Johnson-Thompson's heptathlon event at the European Championships was postponed after a drone crashed into a hurdle. The British athlete, 33, was set to compete in the women's heptathlon in Birmingham. The incident occurred as she prepared to run the 100m hurdles. The drone struck the hurdle during the event, causing a delay. Officials are investigating the cause of the crash. Johnson-Thompson aims to win her first European gold this summer. The event was rescheduled for a later time. The incident highlights the growing use of drones in sporting events. Safety concerns remain a focus for organizers.