🔗 Share this article Two Detentions in the Aftermath of Heathrow ‘Pepper Spray’ Incident The assault caused the partial shutdown of the CTA tunnel and the T3 car park. An additional two individuals have been arrested related to a theft at London's Heathrow Airport in which 21 people sustained injuries by a substance believed to be an irritant spray, according to law enforcement. A 24-year-old man, was arrested in Lambeth on suspicion of theft and assault and a 23-year-old woman was arrested on suspicion of conspiring to commit a robbery. They both are still being held, authorities confirmed. These detentions follow a probe into an attack at the multi-storey car park at Heathrow's Terminal 3 on Sunday. Prior to the incident, a pair of female travelers were robbed of their luggage upon exiting a parking garage elevator. A toddler aged three was among the those hurt in the event. A total of five individuals went to hospital for treatment and have since been released. Police arrested a 31-year-old man on suspicion of robbery and assault close to the location. He was subsequently released pending further inquiries as the investigation proceeds. Authorities were called at approximately 8:10 in the morning GMT after reports came in regarding several individuals hurt by a noxious substance believed to be pepper spray. The attack - which authorities stated was isolated and not considered terrorism - resulted in delays to rail services and the partial closure of the main airport tunnel and the Terminal 3 parking facility briefly.