MINNEAPOLIS (AP) — A St. Paul man has been found guilty fatally stabbing a man earlier this year after they offended each other during a rap battle.

The Star Tribune reports 29-year-old Quinten Osgood was convicted Friday of two counts of second-degree murder and one count of first-degree manslaughter for the January killing of Anthony Madison.

Authorities say Osgood was attending a party at Madison’s home Jan. 3 and the two started arguing over music. Prosecutors say Madison ordered Osgood to leave, and he damaged a gate as he left. Madison confronted him outside and the two fell to the ground fighting. Prosecutors say Osgood stabbed Madison during the fight, killing him.

Osgood told jurors he acted in self-defense.

Osgood is scheduled to be sentenced Sept. 16.

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