A Riverbank Rd property owner reported two merino sheep were "seriously" mauled in a dog attack on Saturday night.
The owner had to destroy the sheep.
Const Sean Hurley warned rural property owners to be vigilant.
"It won't be the end of it, as once they [the offending dogs] get the taste for it they tend to do it again."
• Wanaka police processed a 42-year-old man for drink-driving on Brownston St at 12.45pm on Saturday.
Const Hurley said the man, who had been drinking at a rugby match, provided a breath-alcohol reading of 890mcg..
• Wanaka fashion store Alice reported the theft of two dresses and two tops worth $162.
