AFP commissioner questioned over 'violent arrest' of protester outside Iranian Embassy in Canberra

Protester fractures three bones after AFP officer knocks him to the ground outside the Iranian Embassy in Canberra

Australia's top cop has been grilled over the arrest of a protester outside the Iranian Embassy in Canberra, which left him with a number of fractured bones.

Australian Federal Police commissioner Reece Kershaw said the police force's internal integrity unit was still in the process of investigating the claims, after it was referred to the internal integrity unit following media reports.