Updated Friday, October 26, 2012 at 02:16 PM
UPDATE: 9:33 a.m. | A man walking with his girlfriend was stabbed to death following an argument with four men.
The man, believed to be in his early 20s, was with his girlfriend outside Tia Lou's nightclub in the 2200 block of First Avenue shortly before 2 a.m. when he got into an argument with at least four men, according to Seattle police.
The young couple tried to walk away to their car, which was a block away, but sometime during the confrontation, one of the group of four stabbed the man in the chest and he fell to the ground.
Someone called 911 and medics arrived, but despite their efforts, the man died at the hospital.
The four men believed responsible for the killing got into a gray truck of SUV and took off north on First Avenue. Police looked for the men and the vehicle, but didn't find them.
There may be photos or video of what happened leading up to the stabbing, said police spokesman Mark Jamieson
Witnesses have told detectives that people watching the disturbance captured images of the scene on their cellphones or other recording devices. Police would like those witnesses to come forward with that evidence.
Anyone with information is asked to call the Seattle Police Homicide Unit at 206- 684-5550.