BOSTON (WHDH) - Massachusetts State Police are investigating a suspected road rage stabbing inside the I-93 southbound tunnel this morning.

Police said a 35-year-old Boston man is being treated at a Boston hospital with a non-life-threatening stab wound. The suspect, a 56-year-old Avon man, fled the scene and called police from South Bay Mall, and waited for authorities to arrive there. Officials said the suspect has been taken into custody, but there are no charges yet. The investigation remains ongoing.

This is a developing story; stay with 7NEWS on-air and online for the latest updates.

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