By CBS13 Staff

MANTECA (CBS13) — Multiple people were injured in a crash involving two big rigs on a Manteca highway Thursday.

According to the California Highway Patrol, a chain of collisions shut down eastbound Highway 120 near Union Road for several hours. The crash happened just after 11:30 a.m. and all lanes reponed at around 3:42 p.m.

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The CHP said one big rig rear-ended a second big rig, causing the second one to rear-end a third vehicle.

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In total, three people suffered injuries — one with major injuries and two with minor.

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The lengthy road closure was due to hazardous material falling into the roadway. The CHP said it appears the material was likely gasoline or fluids spilled during the collisions.