Two people were stabbed after coming to the aid of a woman who had been punched by a man at Seventh and Market streets Thursday, police said.
Police were called to the high-crime intersection just before 7 p.m. Officers were told that the suspect, a 52-year-old man, had punched a 43-year-old woman following an argument.
Men ages 37 and 47 intervened. The suspect whipped out a folding knife, stabbed both men, then fled.
The victims' injuries were not life threatening. The suspect has not been arrested, police said.