Police told the Hartford (Conn.) Courant the man confronted police officers with a knife Saturday morning and then ignored their orders to drop the weapon. No reason was reported for why the officers were called to the South Windsor home where they encountered the armed man.
One officer attempted to subdue the man, whose identity was not reported, by shooting him with a Taser.
Police said the man was cut by the knife after being stunned, but would not clarify exactly how the injury occurred.
The man was treated by emergency medical personnel before being transported to a nearby hospital, but was pronounced dead, police told the Courant.
The newspaper said the incident will be investigated by state police and an autopsy of the man's body was scheduled for Monday.