Four men have been arrested after footage of a vicious assault in Otara aired on television.
The alleged attack took place in a car park at 4am on April 19 2015 and was captured by CCTV cameras.
Police received over 30 phone calls from members of the public after the footage aired on Police Ten 7.
Four men - three 29-year-olds and one 24-year-old - have been charged with injuring with intent to injure.
Counties Manukau police thanked members of the Otara community and said the information from the public was vital to the arrests.