Pakistani officials apologise for the fatal shooting of a nine-year-old Australian girl, and outline the violation of protocols that led to her death as they pursue murder charges against the officer involved.

A WA community is mourning the shock loss after a nine-year-old was fatally shot by police in a case of mistaken identity, as her brother remains in hospital.

The family had been driving to a relative's house when they were set upon by robbers who demanded they hand over jewellery before opening fire on police officers