Three children were fishing with a man when he was fatally injured by a falling tree branch at Jimboomba, south of Brisbane, police say.

A man has been killed by a falling tree branch while fishing from a riverbank with three children south of Brisbane.

The 39-year-old was fishing on Teviot Brook near the Logan River at Jimboomba when he was hit by the large tree branch at 5.45pm (AEST) on Friday, a police spokesman told AAP.

Paramedics attempted to revive the man but he died at the scene.

Three children that were with the man were not hurt.

Police could not say whether the man was the children’s father.

The death has been referred to the coroner.