CHICAGO (CBS) — A man and a teenager were stabbed on a CTA Red Line train near Argyle early Saturday morning, Chicago police said.

The 15-year-old boy and 39-year-old man were in an argument with a man wearing a ski mask on the train. The man stabbed them as they went past him to exit the train.

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Chicago police investigate after a 15-year-old boy and 39-year-old man were stabbed on the CTA Red Line near Argyle on March 14, 2020. (CBS)

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The man in the ski mask fled on foot when the train stopped.

The 39-year-old man was stabbed in the right arm, and the 15-year-old boy was stabbed in the left arm. Both were taken to Weiss Memorial Hospital in good condition.

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No one is in custody, and Area Central detectives are investigating.