A homicide investigation has been launched after the death of a 57-year-old man in Waikato Hospital. 

Detective Senior Sergeant Paul Wilson say the injured man was admitted to hospital on Monday after a serious assault in Taneatua at 2pm. 

Police were at an address overnight in Cobham St, Taneatua, where a scene examination was continuing today. 

Wilson said anyone with information could contact police via 105 and quote file number 220214/0810, or call Crime Stoppers anonymously on 0800 555 111.