LOS ANGELES (CBSLA.com)  —   Four people — including a pregnant woman — were hurt Saturday when a hit-and-run driver slammed into them Saturday evening in downtown Los Angeles.

The accident occurred just before 10 p.m. on South Main Street near East First Street in the South Park area.

Authorities said the driver ran into several parked cars before hitting at least four people who were attending a party.

Police are still looking for him, but they have no description of him or his car.

Witnesses said the pregnant woman was trapped under the vehicle but bystanders were able to pull her out.

Both she and her baby are in stable condition.