A 32-year-old Des Moines man apparently jumped to his death from the Klickitat Drive overpass in Tukwila onto northbound Interstate 5.
The incident occurred at about 7:58 p.m. on Thursday, Feb. 11, according to the Washington State Patrol. Four vehicles struck the man in lane one.
Kumphi Ek died at the scene, according to the State Patrol.
Troopers arrested a 49-year-old Kent man for investigation of driving under the influence. He was in the fourth vehicle that hit the man. All four vehicles stopped on the right side of the freeway. Two of the other drivers were from Tacoma and one was from Snohomish.