Woman slapped police car before Justine Damond shooting

A woman slapped the back of a US police car just before Australian Justine Damond was fatally shot, according to court documents.

Ms Damond was shot and killed by a police officer Mohamed Noor outside of her home in Minneapolis on July 15. She was wearing her pajamas at the time, and had called police to report a possible sexual assault in a nearby alleyway.

The court documents do not specify if the woman who slapped the car was Ms Damond, according to Reuters.

Officer Matthew Harrity, who was also in the police car at the time, said he heard a loud noise before Officer Noor fired at Ms Damond.

Last week, Minneapolis police chief Janee Harteau resigned, and said the tragedy had caused her to "engage in deep reflection".

It comes after Minneapolis Mayor Betsy Hodges said she had lost confidence in the police chief.

Hundreds of people marched on the street outside her home to mourn Ms Damond's death, and her fiancé and family continue to wait for answers about exactly what happened.

Officer Noor is continuing to refuse to speak to investigators.