Wellington: An Air New Zealand flight was grounded Wednesday after it emerged that a group of passengers had been exposed to the Norovirus, which could cause vomiting, diarrhoea, and abdominal pain, a media report said.

Passengers of the Mount Cook flight NZ5374 were held onboard at the Christchurch Airport after some passengers reported feeling unwell, The New Zealand Herald reported. Later, health authorities learnt that the group had been exposed to the Norovirus.