NEW YORK (CBSNewYork) – Police say a subway rider has been slashed in Manhattan over an argument about smoking.

Authorities tell CBS2 a man was smoking on a downtown A train when two men asked him to stop.

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The smoker then allegedly slashed both of the passengers, one in the head and the other in the ankle.

Police say both injuries are non-life-threatening, but the violent attack caused quite a scene down in the subway station.

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CBS2’s Nick Caloway reports commuters are still stunned by a trail of blood leading out of the Canal Street station.

Train service was briefly affected by the incident.

Normal express service between 59th Street-Columbus Circle and Canal Street has since resumed but the MTA says rider should expect delays.

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Police took the alleged slasher into custody and charges are pending.