The 17-year-old's sister told Triple J Hack her brother shouldn't have been mistreated for being 'lippy'.
The teenager told an officer he would 'crack you in the f**king jaw, bro', following a verbal altercation at Eddie Ward Park in Surry Hills about 5pm on Monday.
In response, the officer handcuffed him and kicked his legs from underneath him at the same time, sending the boy tumbling face first into the footpath below.
Police are conducting an internal investigation into the officer's approach to the arrest, and placed him on restricted duties for the duration of the investigation.
'We're all aware of incidents that have taken place in the United States over the past week and we're aware of the sensitivities around what's occurring overseas,' Assistant Commissioner Mick Willing told reporters on Tuesday.
'Am I concerned about what I'm seeing in the footage? Absolutely. But I'm equally concerned about others who may use the footage to inflame it and turn it into something it's not.'
Redfern Legal Centre has also referred the matter to the independent police watchdog.
The footage emerged on the eve of a scheduled Black Lives Matter protest in Hyde Park, similar to the protests occurring in America following the death of George Floyd last week.
Read the full article here (Daily Mail Australia, 3 June 2020)
