Over 700 sheep took part in the running event, which sees them flock down the town's main road.
A tow truck has arrived at the scene to take away the vehicles involved.
Police arrived at the scene yesterday evening, but believe the crash happened earlier in the day.
Further testing found the children do not actually have measles.
Police are on the hunt for a group of five people.
The children had spent time in Auckland, Waikato and Tauranga visiting family members between 23 and 26 March.
The crash brings the Easter holiday road toll to five.
She was reported missing on Saturday, March 23.
It is expected to take several hours to fully clear the road.
The intoxicated off-duty officer was ejected from a bar in July 2023.
Motorists should avoid the area.
The students' belongings were destroyed in the fire.
Cedric Maniapoto, 58, was found dead at an address on Ohautira Rd on March 5.
Cedric John Maniapoto, 58, was found dead at a property on Ōhautira Rd on Tuesday, near Raglan.
The body was discovered on a rural road on Tuesday morning.
The police officers involved have been through cultural training as a result of the incident.
The Independent Police Conduct Authority investigated the allegations.
Organisers have cancelled Saturday night's fireworks, acknowledging their communication "could've been better".
Newshub understands officers shot the man in Manawarū
"We need to place these students in the regions where they are needed."
More Waikato News: Hamilton