🔗 Share this article Two Arrests Following Heathrow Irritant Spray Incident The assault resulted in the temporary closure of the CTA tunnel and the T3 car park. An additional two individuals have been arrested related to a robbery at Heathrow Airport where over twenty individuals sustained injuries by a substance believed to be an irritant spray, according to police. A 24-year-old man, was arrested in the Lambeth area for suspected theft and assault and a woman, 23 was detained for suspected conspiracy to commit robbery. Both individuals are still being held, the force said. These detentions follow an investigation into an attack at the multi-storey car park at Terminal 3 this past Sunday. Before the attack, a pair of female travelers had stolen from them their suitcases after getting out of a parking garage elevator. A three-year-old girl was among the injured during the incident. A total of five individuals were taken to the hospital for medical care and have since been released. Officers arrested a 31-year-old man on suspicion of robbery and assault close to the scene. He has since been released under investigation while inquiries continue. Police were alerted at about 08:10 GMT after reports came in regarding a number of individuals injured by a noxious substance believed to be pepper spray. The assault - which police said was isolated and not being treated as an act of terror - caused delays to rail services and the partial closure of the main airport tunnel and the T3 parking facility briefly.