Three people were shot dead and one injured in a shooting at a party on Saturday in Mukilteo that is not far from Seattle, local police reported.
There were approximately between 15 and 20 people at the party in the Chennault neighborhood, RT quoted the Mukilteo authorities as saying.
The suspect has been apprehended by police and also the weapon that is believed to have been used in the shooting has also been found, according to a Twitter post, citing Lewis County PD.
The gunman is said to have been armed with a rifle.
A witness says that the event was a high school or college party, while parents have begun gathering at the scene and are awaiting further news from the police.
A reunification center has been set up by the police. So far, they have not confirmed the age range of the victims, but added that a witness description helped apprehend the suspects, and there are no further manhunts related to the shooting.
Mukilteo is a waterfront city in the state of Washington, near the Canadian border, with a population of just over 20,000. It is one of the most affluent Seattle suburbs and Money Magazine ranked it 10th out of its 100 top places in the US to live in.