A chaotic scene unfolded at London’s Heathrow Airport as police responded to a serious incident involving a pepper spray attack. Emergency services were called after reports of a man spraying passengers in the Terminal 3 parking garage, leading to 21 people being treated, with five requiring hospitalization. The airport was swiftly locked down as armed police apprehended a suspect amidst ongoing chaos and disruption to train services. Eyewitnesses described the situation as panic-inducing, with a child among those affected. Authorities have confirmed that the incident is not terror-related but remain on high alert as investigations continue into a possible robbery linked to the attack.