Serious Threat of Danger. If an incident occurs that is considered a risk to visitors, announcements will be made by public address speakers and repeated by stewards and all visitors should move to the centre of the Main Arena or Arena 2 as directed by stewards. If it becomes necessary to then evacuate the site instructions will be given as to which route to take. All persons must leave on foot. Vehicles must not be moved. Do not return to cars until it has been announced safe to do so. Be aware that police and rescue vehicles may need to enter the site through the main entrance. Keep the trackway clear.