Ethan Reyes, 14, was stabbed in the stomach on the northbound 1 train platform at the 137th Street-City College on Saturday afternoon just after 3 p.m.
The 15-year-old was charged with murder and criminal possession of a weapon.
Police say they believed it was a targeted attack and that the victim and the attacker knew each other.
MTA NYC Transit President: Richard Davey releasted a statement on Sunday saying,
“We thank NYPD detectives, with whom we cooperated, for the rapid arrest of a suspect. That he and the victim are said to have known each other further underscores the senseless nature of this tragic incident.”
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Ex-Brit turned Manhattan resident since 2008.