Authorities say a police officer fatally shot a man who was stabbing a woman in Miami.

Miami police Chief Rodolfo Llanes told reporters at the scene the officer saw a man stabbing a woman while he was on patrol early Thursday.

Miami Fraternal Order of Police President Javier Ortiz called the officer a hero, saying he saved the life of an innocent bystander.

The woman was taken to a hospital for treatment of her injuries.

The names and race of those involved hasn't been released. The incident will be investigated by the Florida Department of Law Enforcement.

No further details were immediately available.