Emergency services are working to extricate a person from a vehicle following a serious crash in Alfriston this afternoon.
A Fire and Emergency New Zealand spokesman said two trucks and a car have collided in the incident near Manurewa.
Following the incident, Alfriston Rd between Mill Rd and Alfriston-Ardmore Rd is closed in both directions, Auckland Transport reports.
Motorists are being advised to expect delays and consider using an alternative route.