OKLAHOMA CITY (AP) — An unarmed man wasn't a threat to anyone but himself when an Oklahoma City police officer fatally shot him after the man called 911 threatening to set himself on fire, a fellow officer testified.

Keith Sweeney, 34, is charged with second-degree murder in the November 2017 killing of 29-year-old Dustin Pigeon.

Sgt. Erik Howell testified Thursday that during Sweeney's murder trial that Pigeon didn't have a gun or a knife.

"I did not observe any threatening acts," Howell said.

Sweeney shot Pigeon three times, including once in the heart, Oklahoma County District Attorney Davi...