Fort Worth police have now cleared the scene where a man was stabbed late last night.
About 10:30 a 911 caller reported seeing one man stab another on 28th Street about two miles west of the Stockyards.
The victim was rushed to the hospital with serious wounds.
Detectives and crime scene technicians were out there all night with the last unit not clearing until nearly 4 a.m.
Police have not found the attacker and they don't know what led up to the stabbing.