Emergency services are responding to a crash on Police Street in Dunedin, near the intersection with Crawford Street.
A truck has rolled and the road is blocked. The crash was reported to Police at 7.55am.
Traffic management is being put in place but there is already significant traffic build-up in the area.
Police are asking motorists to take alternative routes where possible and avoid the area around the crash scene.
At this stage there is no information available regarding any injuries - an update will be provided as soon as that information is available.
Issued by Police Media Centre.