The victim suffered a minor stab wound to his upper body and was treated on scene, police said.
According to police, an argument between the two men escalated and led one to stab the other.
Police say they’ve arrest a Long Beach man on suspicion of stabbing a man and a 7-year-old boy, who police say are all relatives.
The incidents left a total of three people injured, with one in critical condition, police said.
Officers were first called to the 1400 block of Chestnut Avenue at 1:10 p.m. about an “unwelcome person call” that turned into a stabbing, police said.
The victim told the officers he had been stabbed by a man after an argument with a group of people inside a liquor store on Atlantic Avenue and 53rd Street, about a mile from the substation.
The victim received a non-life-threatening wound to the upper body, police said.
Two men were found injured in the stabbing incident, police said.
Officers were unable to find a crime scene or witnesses, according to police.
No injuries were reported for the shooting, police said.