A gunman entered a building and shot 4 people, and had to disarmed by a Seattle Pacific University student, police in Seattle report.
A hospital spokeswoman said one man has died and three other people are injured, one critically.
Police say the student building monitor disarmed the gunman as he was reloading. Several students held the gunman until police arrived.
Police say the gunman is under arrest. The Otto Miller building where the afternoon shooting took place has been secured.
Harborview Medical Center spokeswoman Susan Gregg said a man in his 20s has died and a critically injured 20-year-old woman has been taken to surgery.
Gregg said a 24-year-old man and a 22-year-old man are in satisfactory condition.