A man is in a critical condition after he was attacked at an all-night dairy in Wanaka.
Police said the man was attacked at the town's Night 'n' Day store just after 3am.
The man, who is in his late 20s, has been flown to Dunedin Hospital.
Police said two men in their 30s had been arrested for assault and they were looking at other charges.
They said they wanted to hear from anyone who may have been in the area at the time of the assault or anyone with information that may help their investigation.