The man – a neighbour – suffered head injuries and was believed to be concussed after being allegedly set upon in the street. He was taken to hospital for treatment. Police say the 16-year-old was not seriously injured. 7 News Melbourne reported that some neighbours armed themselves with golf clubs and hammers to defend themselves and that the elderly victim was attacked by up to six woman after coming to the aid of a neighbour. "I'm very seriously angry that you can't walk out in a quiet suburban street and go about your lawful business without being set upon," the man told 7 News. Neighbours told the network the partygoers were predominantly of African appearance. Officers returned to the Hastings Road property following reports of a fight around 4am on Sunday morning, after previously attending the party for noise complaints.

The party broke up about two hours later and when police entered the property at about 6am they found it "significantly damaged". Party-goers smashed windows in the Hawthorn East property. Credit:7 News Melbourne No arrests have yet been made but Acting Superintendent Darren Cooper said police had made "significant progress" with their investigations. Acting Superintendent Cooper said the party's host was being investigated but declined to provide more details about them at this stage, other than to say they were not from the area. He called on party-goers to contact Crime Stoppers to assist police, saying the "vast majority" would not have been involved in criminal activity. He also called on nearby residents to report any suspicious or anti-social behaviour witnessed in the early hours of Sunday morning.