One person was airlifted to Palmerston North Hospital after the crash.

NZTA says drivers need to avoid the area as no estimate for when the highway will reopen.

One person was critically injured in the crash, which closed the highway for seven hours.

One person has been treated for moderate injuries.

One person has been treated for moderate injuries.

Initial reports suggest there are serious injuries from the two-car crash.

Two others sustained injuries in the two-vehicle crash early this evening.

SH25 is closed in both directions between Whitipirorua Rd and Aileen Place.

The collision happened on a rural stretch between Tukairangi and Oruanui Rds in Wairakei

A serious two-vehicle crash has closed SH1, Waiouru, between Shawcroft Road and Access Road No 17.

One person was airlifted to Palmerston North Hospital after the crash.

Okaeria Rd remains closed as crews clear the crash scene.