An additional two individuals are now in custody in connection with a theft at Heathrow Airport in which over twenty individuals were injured by what is thought to be an irritant spray, as stated by law enforcement.
A 24-year-old man, was arrested in the Lambeth area on suspicion of robbery and assault and a 23-year-old woman was arrested for suspected conspiracy to commit robbery. They both are still being held, the force said.
These detentions come after a probe into an attack at the multi-level parking garage at Terminal 3 on Sunday. Before the attack, two women had stolen from them their suitcases after getting out of a car park lift.
A toddler aged three was one of the injured in the event. Five people were taken to the hospital for medical care and were later discharged.
Officers detained a 31-year-old man for suspected robbery and assault near the location. He was subsequently released pending further inquiries while inquiries continue.
Police were alerted at about 08:10 GMT after reports came in regarding a number of individuals hurt by a noxious substance thought to be an irritant spray.
The attack - an event that authorities stated was isolated and not being treated as terrorism - resulted in train delays and the partial closure of the Central Terminal Area tunnel and the Terminal 3 parking facility briefly.