A police chase on Wednesday morning ended in a multi-vehicle crash on the 605 Freeway in Downey, prompting the brief closure of all southbound lanes.
At least four cars were involved in the pileup, which occurred shortly before 10 a.m. near Firestone Boulevard.
Firefighter-paramedics were summoned to the scene. The number and severity of the possible injuries were unclear.
Whittier police were involved in the pursuit, with the California Highway Patrol assisting…