CHICAGO (CBS)– A 15-year-old is in critical condition after he was stabbed while walking with a friend.

The two were walking at Bissell and Dayton streets just before 1 a.m. when two men ran out of a silver Charger. The men chased them and stabbed the 15-year-old in the chest, arm, and leg.

The teen then ran into the North and Clybourn CTA Red Line station.

The teen is now in critical condition at Lurie Children’s Hospital.

Police are questioning three people.

This is a developing story.