Hamden police are investigating an early morning stabbing that happened Tuesday.
Police said a 27-year-old man was stabbed in the chest as he walked out of Wal-Mart.
The victim, who is an employee at Wal-Mart, was involved in a verbal altercation with the husband of a co-worker.
The argument happened inside of the store and as the victim exited, the co-worker and her husband allegedly attacked him, police said.
The victim drove himself to the hospital.
The incident is under investigation.
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