Pennsylvania police are investigating a series of bomb threats that occurred Thursday in Allegheny and Washington counties between 8 p.m. and 9:30 p.m.

Three of the threats were targeted to hospitals, WPXI reported: St. Clair Hospital in Mt. Lebanon, Allegheny Valley Hospital in Harrison and Monongahela Valley Hospital in Monongahela.

The other two threats were made to the Benedum Theater in Pittsburgh and D's Six Pax and Dogz in Swissvale.

At 10:15 p.m. Monongahela Valley Hospital posted on Facebook, saying:

"A confirmed bomb threat was made to Monongahela Valley Hospital. Patient care is not being affected and safety measures are in effect."

Officials later said no bomb was found.

Allegheny County Police officials said they are working with authorities in each community to coordinate the investigations.

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Mathew Palmer, a former Delta Air Lines employee, at his home in Atlanta on Thursday, Oct. 9, 2025.  Palmer was fired less than two weeks after writing a post on social media about the assassination of conservative activist Charlie Kirk. (Natrice Miller/AJC)