Duluth, MN (KDAL) - Duluth police responded to a call to the Detox Center on East Superior Street Monday night.  A man had been stabbed.  He was taken to St. Luke's Hospital and is in stable condition this morning.  Checking known addresses of the victim police went to a residence in the 1000 block of East Third Street.  There they found three males and arrested one of the them, 43 year old Kyle McClain.  The also took a sword believed to be used in the attack. Authorities continue to investigate the attack.