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Coverage dated September 7, 2025

Terminal at London's Heathrow Airport reopens after possible hazardous substance investigation

Headline from WHEC Rochester

Heathrow Airport's Terminal 4 has reopened after police found no hazardous substance that forced a partial evacuation. Authorities said about 20 people were treated but not seriously injured. The terminal was evacuated and closed for about three hours as a precaution.

WHEC Rochester's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

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Reports & sources

12 articles, oldest first.

  1. WHEC Rochester

    Terminal at London's Heathrow Airport reopens after possible hazardous substance investigation (opens WHEC Rochester)

    Published

    WHEC Rochester's feed description

    Heathrow Airport's Terminal 4 has reopened after police found no hazardous substance that forced a partial evacuation. Authorities said about 20 people were treated but not seriously injured. The terminal was evacuated and closed for about three hours as a precaution.

  2. Local News 8

    London Heathrow Airport check-in area reopens after police say no hazardous materials found at scene (opens Local News 8)

    Published

    Local News 8's feed description

    By Lauren Kent, CNN London (CNN) — 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. “Service and conducted a thorough search of the area.

  3. Seattle Times

    Part of terminal at London’s Heathrow Airport evacuated over possible hazardous material (opens Seattle Times)

    Published

    Seattle Times's feed description

    Authorities have evacuated part of a terminal at Heathrow Airport due to a possible hazardous material.

  4. CNN

    London Heathrow Airport check-in area evacuated due to possible hazarous materials incident (opens CNN)

    Published

    CNN's feed description

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

  5. KEYT Santa Barbara

    London Heathrow Airport check-in area reopens after police say no hazardous materials found at scene | News Channel 3-12 (opens KEYT Santa Barbara)

    Published

    KEYT Santa Barbara's feed description

    By Lauren Kent, CNN London (CNN) — A check-in area at London’s Heathrow airport was briefly evacuated on Monday due to a possible hazardous

  6. The Guardian

    Heathrow airport terminal evacuated because of possible hazardous material (opens The Guardian)

    Published

    The Guardian's feed description

    Passengers asked not to travel to Terminal 4, which is closed while emergency services respond

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.

Terminal at London's Heathrow Airport reopens after possible hazardous substance investigation | Since Then