There are reports of a large police presence in Omanawa this afternoon.

A caller to 0800 SUNLIVE says that there are about '11 police cars' in total.

"We're trying to figure out what is going on," says the caller.

Other people have reported seeing multiple police units heading along SH29, towards McLaren Falls.

SunLive is working to provide an update as soon as possible.

At the scene?

Call 0800 SUNLIVE or email photos to newsroom@thesun.co.nz