Crews shut down Martin Luther King, Jr. Way after a light rail train struck a man, said the Seattle Fire Department.
The incident happened before 6 p.m. at the Columbia City station at 4818 Martin Luther King, Jr. Way South.
Police said a pedestrian was hit by a northbound SoundTransit Link train.
When crews arrived at the scene, they found a man under the train.
Seattle police told KIRO 7 Eyewitness News reporter Graham Johnson that the man has a severe head injury.
The man was taken to the hospital, and his injuries are life-threatening.
Martin Luther King, Jr. Way was shut down for police to investigate.