By CBSLA Staff

GLENDORA (CBSLA) – A woman was struck and killed by a big-rig on the 210 Freeway in Glendora early Monday morning.

The collision occurred at 12:50 a.m. on the westbound 210 Freeway, just east of of Glendora Boulevard.

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According to California Highway Patrol, the woman was walking on the shoulder of the freeway when she stepped into traffic and an approaching semi-truck swerved to avoid her.

The woman was struck by the trailer of the big-rig. She died at the scene. She was not immediately identified.

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Glendora police officers arriving at the scene first said it appeared the woman might have suffered a gunshot wound, according to CHP Officer Patrick Kimball.

The CHP issued a Sig Alert and shut down several lanes. They have since reopened.

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(© Copyright 2021 CBS Broadcasting Inc. All Rights Reserved. City News Service contributed to this report.)