Three people are being transported to hospital after a serious crash involving a car and a truck in the Auckland suburb of Penrose.
Police told Newshub emergency services were notified of the crash on Neilson St at 6am on Thursday morning.
"Three people have injuries described as being moderate-to-serious and are being transported to hospital."
Auckland Transport said at 6:30am that a section of Neilson St, between Church St and Captain Springs Rd, was closed.
"Diversions are in place affecting all traffic, including bus services. Please avoid this area or expect delays."
At 7am, AT said the section of road "is expected to remain closed for some time this morning as NZ Police conduct a serious crash investigation". It warned that congestion was building.
The Serious Crash Unit has been advised.