U.S. immigration authorities have detained a 23-year-old Mexican man who was brought to the United States illegally as a child but later given a work permit during the Obama administration, according to a lawsuit challenging the detention in Seattle federal court.

A Seattle federal judge on Friday put a nationwide block on U.S. President Donald Trump's week-old executive order that had temporarily barred refugees and nationals from seven countries from entering the United States.

Washington state is grossly unprepared for a large earthquake and tsunami that may strike in the coming decades, putting it at risk for a humanitarian disaster, the Seattle Times reported on Sunday, citing a draft government report.

Three people were shot dead and two were wounded during a shooting at a mall on Friday in northwest Washington state where authorities were searching for the gunman, several media outlets reported.

Dead bodies of a Washington state couple who reported by their friends missing more than a month ago found in a shallow grave by police.

Federal crash investigators ruled Tuesday that an Amtrak engineer caused a fatal crash in Philadelphia because he accelerated to twice the posted speed limit before a curve while likely being distracted by radio chatter about damage to another train

Anti-oil protesters from a campaign of a series of global actions calling on people to "break free" from dependence on fossil fuels marched to refineries in northwest Washington State.