Police have released a photo of the suspect linked to stabbing a 15-year-old boy in Canarsie.
Authorities say what started as a dispute turned violent between the suspect and a 15-year-old boy as the "L" train approached the East 105th Street station on Sunday.
According to police, the suspect used a knife to stab the teenager in the leg before grabbing his cellphone and taking off.
The victim is expected to be OK. The suspect is still on the loose.