Woman killed as US police officer fires at dog in Arlington, Texas
A woman in the US has died of a gunshot wound after a police officer fired his gun when he saw a barking dog running towards him.
The unnamed policeman was responding to a call about the woman in Arlington, Texas.
She has been named as 30-year-old Margarita Brooks.
She died of her injury in hospital.
Police have described it as a tragedy, and say an investigation is under way.