The Washington State Patrol says two people were killed early Sunday in a one-car crash in Olympia. A third person was injured.

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The Washington State Patrol says two people were killed early Sunday in a one-car crash in Olympia. A third person was injured.

Trooper Guy Gill says speed and driver impairment involving alcohol or drugs were factors in the crash.

The News Tribune ( http://is.gd/TFv1CL) reports the two people who died were not wearing seat belts.

Gill says the crash is being investigated as a vehicular homicide.

Information from: The News Tribune, http://www.thenewstribune.com