Hawke's Bay police are appealing to the public for any information regarding an incident that occurred in the driveway of Tamatea Motor Inn in York Avenue just before 2am today.
A 38-year-old man, who was in a critical condition this morning, was walking on the driveway with an associate when he fell to the ground and received serious head injuries.
A member of the public called for an ambulance a short time later and the exact cause of the victim's fall and injuries has not yet been established.
He is now in a serious condition in Wellington Hospital's intensive care unit after being flown there this morning.
A man is in custody and police say he is assisting with enquiries.