Overview

• On July 25, a fire alarm prompted a precautionary evacuation of Terminal 3, stranding arrivals and departures
• Immigration counters and baggage claim areas were closed temporarily, leading to hours-long queues and flight delays
• By midday, operations resumed once fire crews cleared the terminal, though it remains unclear if any fire was detected
• Heathrow officials apologized for the interruption and have launched an investigation into what triggered the alarm
• Passengers voiced frustration on social media over the lack of backup plans and clarity during the evacuation