London Heathrow Airport Terminal 4 check-in area evacuated due to possible hazarous materials incident

London’s Heathrow airport has evacuated the check-in area of one of its terminals due to a possible hazardous materials incident, a Heathrow spokesperson told CNN on Monday evening.

​ London’s Heathrow airport has evacuated the check-in area of one of its terminals due to a possible hazardous materials incident, a Heathrow spokesperson told CNN on Monday evening. Read More Breaking News, Latest News and Videos | CNN