Police are investigating a family harm incident which has put two men in intensive care in a serious condition at Whanganui Hospital.
Emergency services were alerted to the incident on Papaiti Rd at 4am.
A St John spokesperson said two ambulances attended the scene and transferred one of the men to hospital.
One man in his sixties and another man in his twenties are in a critical condition in the intensive care unit.
One of the men has been transferred to Wellington Hospital.