Two people have been taken to Whanganui Hospital after a single vehicle crash in Castlecliff on Thursday morning.
The incident occurred around 9.30am when a vehicle hit with a power pole at the intersection of Mosston and Mill roads.
Police, St John, Fire and Emergency New Zealand and Powerco responded.
St John said two ambulances and one manager attended. Three people were treated at the scene - one with minor injuries, another with moderate injuries and a person with serious injuries.
St John transported the patients in moderate and serious conditions to Whanganui Hospital.