Police investigate after man found with life-threatening injuries at Spokane Intermodal Center

A man was found Monday morning with life-threatening injuries at the Spokane Intermodal Center, police said.
The man, who police did not identify, was taken to the hospital, said Julie Humphreys with the Spokane Police Department.
A passerby saw the injured man just before 8 a.m. and reported it to employees, who called 911.
Detectives are investigating the “substantial assault” but more details were not available Monday afternoon.
Police had not arrested a suspect as of Monday afternoon.