Heathrow Airport Terminal 4 has reopened after it was declared safe following what emergency services called a "possible hazardous materials incident". Emergency services were scrambled to London ...

Heathrow Terminal 4 has reopened three hours after it was evacuated when firefighters rushed to what was described as a “possible hazardous materials incident”. Some 21 people reported an injury at ...

A check-in area at London’s Heathrow airport was briefly evacuated on Monday due to a possible hazardous substance incident, but police later said no harmful substances were found at the scene.

LONDON (AP) — Part of a terminal temporarily closed at London’s Heathrow Airport was reopened later Monday when police reported finding no sign of a hazardous substance blamed for harming about 20 ...