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How did the gas valve fail ahead of deadly U.S. Steel plant explosion

KDKA has learned new details about what led to the deadly explosion at U.S. Steel's Clairton plant.

Aug 22, 2025 (03:18)

Memorial trees planned for 2 children killed in Erie shooting

Memorial trees planned for 2 children killed in Erie shooting

KDKA-TV Weekend Forecast (10/11)

KDKA-TV Weekend Forecast (10/11)

KD Sunday Spotlight: Brookline Teen Outreach

KD Sunday Spotlight: Brookline Teen Outreach

KDKA-TV Morning Forecast (10/11)

KDKA-TV Morning Forecast (10/11)

Family, neighbors in shock following deadly mass shooting in Erie, Pennsylvania

Family, neighbors in shock following deadly mass shooting in Erie, Pennsylvania

KDKA-TV Weekend Forecast (10/10)

KDKA-TV Weekend Forecast (10/10)

Suspect in Erie mass shooting was related to 7 of the 8 victims, police say

Suspect in Erie mass shooting was related to 7 of the 8 victims, police say

Several people injured after PRT bus crash at Ross Park Mall

Several people injured after PRT bus crash at Ross Park Mall

Multiple people killed in shooting in Erie, Pa.

Multiple people killed in shooting in Erie, Pa.

Hey Ray: How caterpillars can tell us about winter weather

Hey Ray: How caterpillars can tell us about winter weather

KDKA-TV Morning Forecast (10/10)

KDKA-TV Morning Forecast (10/10)

9 killed, including 2 children, dead in reported mass shooting in Erie, Pa.

9 killed, including 2 children, dead in reported mass shooting in Erie, Pa.

High school football highlights for October 9, 2026

High school football highlights for October 9, 2026

Ireland Contracting Nightly Sports Call: Oct. 9, 2026

Ireland Contracting Nightly Sports Call: Oct. 9, 2026

Allegheny County's 2 measles cases connected to same school

Allegheny County's 2 measles cases connected to same school

Mike Ditka remembered as a hometown hero in Aliquippa

Mike Ditka remembered as a hometown hero in Aliquippa

KDKA-TV Nightly Forecast (10/9)

KDKA-TV Nightly Forecast (10/9)

2nd measles case confirmed in Allegheny County

2nd measles case confirmed in Allegheny County

5 dead after shooting in Erie, Pennsylvania

5 dead after shooting in Erie, Pennsylvania

Football-themed lessons turn learning into fun

Football-themed lessons turn learning into fun

KDKA-TV Evening Forecast (10/9)

KDKA-TV Evening Forecast (10/9)

2nd case of measles confirmed in Allegheny County

2nd case of measles confirmed in Allegheny County

Pharmacist offers alternative as prescription drug costs push Americans to Canada

Pharmacist offers alternative as prescription drug costs push Americans to Canada

Nurses at Allegheny General Hospital threaten to strike amid contract negotiations

Nurses at Allegheny General Hospital threaten to strike amid contract negotiations

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