One man is seriously injured after he was stabbed under the Burnside Bridge on Friday night, Portland police said.

Several people got into a fight under the bridge at about 7 p.m., police spokesman Sgt. Chris Burley said. The victim was taken to a hospital with life-threatening injuries.

The suspect fled after the fight, Burley said. Officers are still gathering information about the fight and the suspect.

The area under the bridge between Naito Parkway and the Willamette River is closed as police investigate.

Police ask anyone with information about the stabbing call 503-823-3333.

No other details were available.

— The Oregonian/OregonLive