A father of three who died after an apparently unprovoked attack at his Whangarei property has been named by police.

Michael Patrick Griffin, 56, was found with serious head injuries at his home on Second Ave about 8am yesterday.

He was taken to Whangarei Hospital, where he died.

Mr Griffin was a father to three adult sons, police said.

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Anyone with information on Mr Griffin, or any incidents in and around Second Ave between 2pm on Saturday and 8am yesterday, was urged to call Whangarei police.