Stadium/parade/festival where mobile networks fail. Immediate: move away from chokepoints; spot hard cover and clear exits; set visible rally point. Comms: 10/20-minute check-ins; SMS with exact landmark; leave written notes on boards if separated. Safety: avoid pushing crowds; follow staff instructions; hydrate; rest in shade. Post-egress: pick secondary meeting spot outside footprint. Accessibility: buddies for kids/elderly. Japan: 110 police, 119 ambulance, venue disaster broadcast. Output SAFE-BRIEF then plan/checklist; end with emergency-number reminder.
