Ashburton residents have expressed their disgust after a tour group were caught urinating on the side of the road.
Bus company Pacific Tourways has laid a police complaint against the passengers and the tour operator who allowed the group off to relieve themselves in public.
An Ashburton resident posted pictures of the group on social media.
They said on Friday the bus had pulled over in Tinwald on State Highway 1 outside the medical centre, and let its passengers out who "proceeded to urinate on the road side".
"I am absolutely disgusted.