MUKILTEO, Washington (AP) — The Latest on a shooting at a gathering of young adults in suburban Seattle (all times local):

9:40 a.m.

A woman says her granddaughter hid in a closet to escape a gunman who killed three people and injured a fourth at a gathering of young adults in suburban Seattle.

Susan Gemmer says 18-year-old Alexis Gemmer was hanging out with friends from Kamiak High School at a home in Mukilteo early Saturday when a young man showed up with a rifle. Susan Gemmer tells The Associated Press that according to her granddaughter, the gunman shot two people at a fire pit before going onto a roof and firing more shots from there.

Gemmer says the young man who lived at the home tried to lead her granddaughter to safety by running out a garage door, but as he exited the garage, the gunman shot at him. He made it across the street to safety, but Alexis Gemmer ran back inside and hid in a closet, from where she called and texted her grandmother.

Gemmer says the shooter and one of the victims had recently broken up.

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3:24 a.m.

City officials say a shooting has left three people dead and another person hurt in Mukilteo, Washington, about 25 miles north of Seattle, and that a suspect has been taken into custody.

The city, on its Twitter feed, said it was sad to report three fatalities in the Chennault neighborhood. It said the injured person was transported to Harborview Medical Center with unknown injuries.

The city tweeted that a suspect has been apprehended in Lewis County.

Police did not immediately release additional details about the shooting or the suspect.

The city says a reunification center has been established at a local church for parents and relatives.