UPDATED 6.10pm: NZTA are now reporting State Highway 33 is re-open.

Update: SH33 Okere Falls (North of Rotorua) is now OPEN. Expect some delays as traffic returns to normal. ^LC

— NZTA Waikato/BoP (@NZTAWaiBoP) November 28, 2016

4.30pm: Six people are being taken to hospital as a result of the crash.

A St John Ambulance spokesperson says two patients in a critical condition are being transported by rescue helicopter to Waikato Hospital.

One patient in a serious condition is being transported by ambulance to Rotorua Hospital, along with three other patients with minor to moderate injuries.

According to the NZTA, the highway is still closed.

Update: SH33 Okere Falls is now CLOSED. A detour is in place. Expect delays in the area. ^LC https://t.co/S0r1kZvMTY pic.twitter.com/KkSHfjFoJW

— NZTA Waikato/BoP (@NZTAWaiBoP) November 28, 2016

EARLIER:

Police are warning of delays and possible road closures following a crash on State Highway 33 near the Okere Falls Store this afternoon.

Senior Sergeant Mike Membery at the District Command Centre in Rotorua advises the road will be closed at some stage while the fire service clears the scene where two vehicles have collided.

People are trapped in the wreckage which is blocking the highway.

Traffic from Tauranga is being stopped at Maniatutu Road.

SunLive will bring you more information soon.

At the scene?

Call 0800 SUNLIVE or email photos to newsroom@thesun.co.nz