Eyewitness Tom Byrne said the Heathrow Airport incident felt “scary”, recalling a moment when “around 20 police with guns out” responded after reports of an attack in a car park. Police say a man has been arrested on suspicion of assault after several people were sprayed with what appeared to be a type of pepper spray. Report by Etemadil. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn