Sig Alert, 57 Freeway, Pomona 5:06 a.m.

Two to three vehicles collided on the southbound 57 Freeway this morning, blocking all lanes for about 30 minutes. At least one person was injured in the 5:06 a.m. crash near the eastbound 10 Freeway, the California Highway Patrol said. The CHP directed southbound traffic along the center divider until the vehicles could be moved to the right shoulder at 5:44 a.m. A Sig Alert was issued for about 14 minutes.