Police need the public's help in identifying a man who they say stabbed a 32-year-old man in the chest in an unprovoked attack in Melrose.
They say it happened Monday night in front of 253 East 149th St.
The suspect was caught on surveillance video.
The victim was able to drive himself to the hospital where he is now in crititical condition.
Anyone who recognizes the man is being asked to call police.