One person has been airlifted to hospital in a critical condition following a crash in the central North Island which left five others injured, too.
Police expect State Highway 1 at Waitahanui, south of Taupo, to be reopened by 10pm following a serious crash around 5:30pm.
After initial reports that six people were injured, two of them seriously, it can be confirmed that one person has now be flown to Waikato Hospital in a critical condition.
The five others suffered "lesser injuries," according to police in a statement.
The crash has caused lengthy delays to motorists using the busy stretch of road.