Traffic collision, Pomona, 4:50 p.m., westbound 10 Freeway

California Highway Patrol officers have responded to an injury collision on the westbound 10 Freeway just west of Towne Avenue in Pomona.

The incident began at 4:50 p.m. and involved approximately eight vehicles, according to CHP information. The # 1, #2 and #3 and carpool lanes were blocked.

A Sig Alert was issued for the area.