Alcohol and speed may have been factors in a one-vehicle accident that killed four people and critically injured two early last Saturday morning in the 3700 block of Auburn Way South, Auburn Police reported.

Police reported that a northbound 1995 Nissan 300ZX carrying two women, four men and a dog left the road around 2 a.m. and slammed into a power pole.

Two women and two men were declared dead at the scene. The King County Medical Examiner’s Office has identified them as Caleb Graham, 23, Rehlein Stone, 21, Andrew Tedford, 31, and Suzanne McCay, 29.

Medics transported two other men – the driver and a man ejected from the car – to Harborview Medical Center in Seattle with life-threatening injuries, where they remain in stable condition, according to Cmdr Steve Stocker, spokesman for the Auburn Police Department.

Police said one of the survivors is a 38-year-old man, whom they believe to have been the driver.  Police said the man may face serious charges, including vehicular homicide.

Stocker added that investigators are waiting to talk with the survivors to determine if all of the persons involved in the accident were actually in the car.

“It’s likely that six people were stuffed in this little car, but we can’t say with 100 percent certainty,” he said. “We believe they are all associated, but if they’re not, it’s possible that one or more were pedestrians. We just don’t know at this point because we haven’t been able to talk with (the survivors.”

A small dog, which Auburn Police say they believe was in the  car, was found alive at the scene with severe injuries and was transported to a Sumner veterinarian and euthanized.

The investigation closed Auburn Way South for several hours. The investigation continues.