Heathrow ‘pepper spray’ assault: What happened, who was behind attack that left 21 injured?

As many as 21 people, including a three-year-old girl, were caught up in the chaos that ensued after a woman was attacked with pepper spray at a multi-storey parking lot of London’s Heathrow Airport. Police believe it was a suitcase robbery attempt. A 31-year-old man, who might have known the woman, has been arrested on suspicion of assault, which caused disruption at the airport