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At least twenty people were injured, some seriously, at the Franklin Regional High School outside Pittsburgh on Wednesday morning after “a person ran through the school slashing or puncturing students with a knife or other sharp object.”

Officials have indicated that all those injured, despite the horrific nature of the attacks, are all expected to survive their injuries.

According to local NBC affiliate WPXI:

The Associated Press adds:

The school is located in the town of Murrysville in Westmoreland County, approximately twenty miles east of Pittsburgh.

On Twitter:

Tweets about “school stabbing”

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