Te Whatu Ora is warning nurses that their decision to turn down extra shifts next week could be illegal.

The Nurses Organisation has told their members to just work their contracted shifts next week.

Te Whatu Ora's saying that could be an unlawful strike, because it's refusal to do something that's a normal part of the job.

Employment expert, Max Whitehead, is here to explain why this strike is lawful, even if it conflicts with the nurses duty of care. 

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