Two people have been seriously injured in a multi-vehicle crash that closed Auckland's Waterview Tunnel to southbound traffic for two hours this afternoon.
Congestion built up around the major Auckland motorway, with motorists stuck in and around the tunnel. Google Maps data showed traffic backed up, almost to the Central Motorway Junction. Traffic heading to the city from West Auckland was also experiencing delays.
Hato Hone St John said two ambulances and one manager were sent to the scene of the incident.
"Our crews assessed five patients, two in a serious condition who were transported to Auckland City hospital, and three in a minor condition assessed at the scene."
Waka Kotahi advised motorists a crash was causing disruptions on State Highway 20 around 3.30pm on Saturday.
"Due to a crash, the Waterview Tunnel is now closed to southbound traffic.
"Please use an alternative route at this time or expect delays in and around the SH16 and SH20 interchange as congestion has developed."
A police spokesperson said it was understood the lanes are still blocked as of 4.30pm.
The tunnel remained open for northbound traffic.
St John have been contacted for comment.
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