OAKLAND — A female and a male were killed early Sunday when the vehicle they were in crashed in West Oakland, authorities said.

Officials did not release the identities or ages of either victim, though both were confirmed to be Oakland residents. Police did not say which of the two was driving.

Police said they were in a 2004 Honda Civic that crashed around 2:30 a.m. Sunday into a wall at Seventh Street and Frontage Road, near the main Oakland Post Office. They were both pronounced dead at the scene by paramedics.

Police did not release details about which direction the vehicle was going or what may have caused the crash. It was unknown Sunday whether alcohol or drugs were factors.

Streets in the area, as well as the Seventh Street off-ramp from Interstate 880, were shut down for several hours while police investigated.

Anyone with information about the crash is asked to call police traffic investigators at 510-777-8570.

Check back for updates.