One person is believed to be seriously injured following a serious crash in Waikato.
Police said emergency services are responding to a serious crash on the Waikato Expressway at Ohinewai.
The crash, involving several vehicles, happened at about 4.20pm.
"Initial indications are that one person has received serious injuries," police said in a statement.
Motorists are advised to expect significant delays as the southbound lanes of the expressway are blocked.