Emergency services are attending a serious crash between at least two vehicles on SH1, Tokoroa, South Waikato.

Police were called to the scene around 12.10pm, says a police spokesperson.

"Initial reports indicate multiple injuries, although the extent of these is unclear.

"The road is partially blocked and drivers are asked to avoid the area if possible."

ROAD CLOSED - UPDATE 2:15PM#SH2 north of Tokoroa is now CLOSED with detours between Rollett Rd & Wiltsdown Rd (south of Lichfield) which will add 15-20 minutes to your journey. Allow extra time, delay your journey or consider alternative route. ^TP
https://t.co/ZGxxnOCrlO

— NZTA Waikato/BoP (@NZTAWaiBoP) August 2, 2018