🔗 Share this article Two Arrests Following London Heathrow Irritant Spray Attack The assault caused the partial closure of the Central Terminal Area tunnel and the T3 parking area. Two more people are now in custody related to a theft at London's Heathrow Airport in which 21 people sustained injuries by a substance believed to be pepper spray, as stated by law enforcement. A man, 24, was arrested in the Lambeth area on suspicion of theft and assault and a woman, 23 was arrested on suspicion of conspiracy to commit robbery. Both individuals remain in custody, authorities confirmed. These detentions follow an investigation into an attack at the multi-level parking garage at Terminal 3 on Sunday. Prior to the attack, a pair of female travelers had stolen from them their luggage after getting out of 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 were later discharged. Officers detained a 31-year-old man on suspicion of robbery and assault close to the location. He has since been released pending further inquiries while inquiries continue. Authorities were alerted at about 08:10 GMT following reports of a number of individuals hurt by an irritating chemical thought to be pepper spray. The assault - an event that police said was isolated and not considered terrorism - caused train delays and the partial closure of the main airport tunnel and the T3 parking facility for a short time.