One person is dead and three injured after a lengthy police chase ended in a crash on I-279 and an officer-involved shooting, police told TribLive news partner WTAE.

It’s unclear what initiated the pursuit of the white SUV, but the chase began on Route 8 in Penn Township, Butler County, just before 8 p.m. Saturday, state police said.

The SUV, which held four people, continued on multiple roads in Butler and Allegheny counties with several departments in pursuit. It rolled off of I-279 in Ohio Township close to mile marker 9, the area of Camp Horne Road and Mount Nebo Point.

Police told WTAE that, after the crash, shots were fired from the vehicle and an officer shot one of the passengers, who later died in the hospital. The police department of the officer has not been reported.

The three other passengers were injured. Their conditions are not known.

The incident shuttered I-279 between I-79 and Camp Horne Road (Exit 8) for several hours. PennDOT sent a notification that the route had reopened just before 4 a.m.

Those involved have not yet been identified, and charges did not appear to be filed early Sunday morning.

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