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One victim, 16, was slashed across his head while the other, 15, was slashed on the nose and lip during the clash on the No. 1 train platform.

The individuals allegedly punched and kicked the victims before displaying a scalpel and allegedly slashing the two teens, police said.

Two students on Friday were expelled from Barnard College, which is part of Columbia University, for disrupting a class as an act of political protest. The students were part of a group of four ...