Authorities say the kids, ages 16 and 13, became involved in a verbal dispute with an unknown male in his 50s on the MTA Bx36 bus in the Bronx.
It happened around 8:45 a.m. in front of 40 West Tremont Avenue in the Morris Heights section.
According to the complaint, the suspect pulled out a knife and stabbed the 16-year-old in the left side of his neck and the 13-year-old in the shoulder area.
The victims were taken to Columbia Presbyterian Hospital and are expected to survive.
The suspect fled the scene and is currently being sought by police.
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