Bay of Plenty Police investigating the death of a man have arrested and charged a man with aggravated robbery and assault.

A homicide investigation has been launched following the death of a 57-year-old man.

The man died in Waikato Hospital on Tuesday, February 15, after being assaulted in Taneatua on Monday, February 14, says a police spokesperson.

In a statement released today, police say a 28-year-old man is due to appear in the Ōpōtiki District Court.

He is alleged to have been involved in an assault on a 65-year-old man outside the bakery on Tuhoe Street on Monday.

'He is then alleged to have been one of three who travelled to the Gull petrol station in a white Mazda hatchback, and shortly after, allegedly assaulted a 45-year-old man and stole his motorbike.

'Police continue to investigate these incidents in relation to the death of a 57-year-old man, who was earlier assaulted in his home on Cobham Street, and died in Waikato Hospital on Tuesday.”

Police say inquiries are ongoing to determine the circumstances surrounding the man's death, and police are particularly interested in speaking with a group who entered the homicide visctim's address at around 2pm.

'Police would like to hear from anyone who may have witnessed any of these events, or has any information which could assist our inquiries.

'Our team would like to reassure the community that we continue to treat this matter seriously and we are doing everything we can to identify all those involved.”

Anyone with information should contact Police via 105 and quote file number 220214/0810, or call Crime Stoppers anonymously on 0800 555 111.