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BUTLER, Pa. (AP) – Authorities say a crash involving a van and a pickup truck sent both vehicles down an embankment and into a western Pennsylvania creek, killing both drivers.

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Butler Township police say the eastbound van apparently went through a stop sign and collided with the southbound truck.

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Police say both vehicles went through a guiderail, down an embankment and into the Little Connoquenessing Creek.

Police said 85-year-old Thomas Shaffer of Ellwood City and 66-year-old Glenn Davis Jr. of Harrisville were killed. The crash remains under investigation.

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