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CORAOPOLIS (KDKA) — Five people were injured in a head-on collision involving a bus in Coraopolis on Friday afternoon.

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The crash happened around 2:30 p.m. at the intersection of Island Avenue and Ewing Road.

Port Authority of Allegheny County officials say a bus on the 21 Coraopolis route was traveling outbound when it got into a crash with a pickup truck. The cause of the crash is unclear at this time.

(Photo Credit: KDKA Photojournalist Tim Lawson)

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Four passengers, the bus driver and the pickup truck driver were all transported to a local hospital.

According to Port Authority, the pickup truck driver suffered a leg injury and the four passengers suffered non-life-threatening injuries. The bus driver was transported as a precaution.

The crash is under investigation.

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Stay with KDKA for the latest on this developing story.