PORTLAND, OR (KPTV/AP) -
Portland police say they have released a 19-year-old man who was involved in a fatal fight with a man in southwest Portland, and it will continue to investigate the Wednesday night death.
The victim was identified as 33-year-old Josef Lee Skupa of Portland.
Police said an autopsy showed he died of a single stab wound in the abdomen.
Officers described it as a street confrontation near the intersection of Southwest Shattuck Road and 59th Court.
A woman with Skupa was interviewed, and police said they're seeking other witnesses.
Anyone with information is asked to call Detective Mark Slater at 503-823-9319.
Copyright 2012 KPTV (Meredith Corporation.) All rights reserved. The Associated Press contributed to this report.