Police can confirm that two people are trapped inside one of the vehicles on SH16 in Waimauku and they have both died.
There are three people seriously injured.
"Three vehicles were involved in the crash," says police.
"The police Disaster Victim Identification team will be called to the scene along with the Serious Crash Unit.
"The road will be closed for some time and diversions are in place."
Motorists are asked to avoid the area and use diversions where directed.