30-year-old man critically stabbed in downtown San Antonio on Saturday night; suspect at large.

30-year-old man stabbed in critical condition during Saturday night incident in downtown San Antonio. Attack occurred near intersection of W Commerce and N Frio streets at 10:15 pm. The victim was sleeping next to his fiancée when an unidentified male suspect stabbed him before fleeing. San Antonio Police Department is investigating, and suspect remains at large.