"A post-mortem examination of the deceased is scheduled to take place tomorrow, after which time we hope to be able to release his name," DSS Alexander said.
"We are working closely with the deceased's family and remain focused on their wellbeing and to ensuring all available information about the circumstances of their loved-one's death is fully investigated," he added.
Police said the area where the incident took place had good CCTV coverage, and they were hoping it would assist with their investigation.
Police said anyone with information should contact Counties Manukau Police on 09 263 2709, or for anonymous tips, Crimestoppers on 0800 555 111.