LONDON, Sept. 9 (Xinhua) -- A man has been arrested following a suspected hazardous materials incident at Terminal 4 of London's Heathrow Airport, police and local media reported Tuesday.
The Terminal's check-in area was evacuated and closed Monday evening after reports of possible hazardous substances. Metropolitan Police officers recovered a canister believed to contain CS spray, a substance that can cause eye irritation, chest tightness, coughing, and sneezing.
