Great South Rd blocked after crash

The northbound lane of Great South Rd in Otahuhu has been blocked off following a collision.

Two cars and a truck were involved in a crash at the intersection of Great South Rd and Portage Rd. The southbound lane remains open.

Emergency services and the Serious Crash Unit are at the scene, and one person has been transported to hospital.

Police are asking motorists to avoid the area while it is being cleared.

- NZHERALD STAFF