Police have released CCTV footage of two men after the alleged murder of a teenage boy in Sydney’s west earlier this year.

16-year-old Jason Galleghan was found unresponsive with injuries to his head and chest at a Doonside home in August.

He was taken to Westmead Hospital, where he later died.

Seven teenagers as well as a 19-year-old woman and a 29-year-old man have been charged over their alleged roles in the incident.

Police have released new CCTV of two males walking in the vicinity of the home around the time the fatal assault occurred.

The first man is described as being of Pacific Islander/Maori appearance and is seen wearing a black hooded-jumper, black long pants, white sneakers and carrying a drink bottle.

The second man is described as wearing long black pants, a bright red and black hooded-jumper and carrying a black, red and blue item.

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