Motive behind Pennsylvania hospital shooting remains unknown
Investigators released no new information Sunday about a possible motive for the shooting at UPMC Memorial Hospital in York ...
Motive in Pennsylvania hospital shooting unclear, but officials say man had recent contact with ICU
Officials confirm the shooter in the deadly Pennsylvania hospital standoff had recent contact with the ICU for a medical ...
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Motive still unclear in US hospital attack that left one police officer dead
Investigators are trying to determine why an armed man targeted a hospital in the US state of Pennsylvania, killing one officer and injuring several ...