US police

Body camera footage opens with an image of the console of the police cruiser as it pulls up to the downtown building

Neighbours said they were trying to intervene by yelling 'he can't hear you'

There was no known connection between the shootings

Details of the shootings and the circumstances of Greene's arrest were not made public

Twitter shut off the data access of Geofeedia, the Chicago-based data vendor that provided data to police

Suspect was believed to remain holed up inside a house with armored assault vehicle stationed in front

Incident is the latest in a string of shootings of African Americans by police that have fuelled protests and debate