MUKILTEO, Washington - Gunfire disrupted a small gathering at a suburban Seattle home, leaving three people dead and a fourth person injured early Saturday, police said.

A suspect was apprehended three counties away, said Officer Myron Travis of the Mukilteo Police Department.

About 15-20 people were in the home at the time of the shooting, and all have been interviewed by police, Travis said.

"Our community has suffered a great loss tonight," Mayor Jennifer Gregerson said. "There were many young people who saw and heard things that no one should ever experience."

Police did not release the names of the victims. The injured person was taken to Harborview Medical Center with unknown injuries.

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The shooting happened in the Chennault neighborhood of Mukilteo, a waterfront town of about 20,000 people, 25 miles north of Seattle.

The suspect was apprehended thee counties south in Lewis County.

No motive has been given for the shooting.