“One lone shooter” remains on the loose following the killing of four women at a a mall north of Seattle, police said on Friday. .
Police have released an image of the suspect they believe is responsible for the shooting at Cascade mall in Burlington, Washington state, about 65 miles (105km) north of Seattle, in which a man also suffered life-threatening injuries.
The FBI tweeted that there was no information to suggest any additional attacks were planned in Washington state.
The attack happened at around 7.30pm local time.
“We are still actively looking for the shooter. Stay indoors, stay secure,” Francis said at a news conference.
Authorities say the motive was unknown.