SAN RAFAEL (CBS SF) — A pedestrian was struck and killed by a truck while crossing a street in San Rafael Tuesday morning, police said.

The collision happened at the corner of Fourth St. and G St. at around 8 a.m. San Rafael police said officers arrived to find an unresponsive person and began life-saving procedures, but the victim was declared dead at the scene.

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An initial investigation found a white box truck was heading northbound on G Street while the pedestrian crossing in the crosswalk westbound at Fourth Street at G Street, where the truck collided with the pedestrian, police said.

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The victim was not immediately identified. Police said the driver remained at the scene and it did not appear drugs or alcohol were a factor in the collision.

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Anyone with information about the incident was asked to call the San Rafael Police Department (415)485-3000. Tips may be given anonymously at srpd.org/tips.