Milne suffered the injury while bowling in the SA20 competition at the weekend.

New Zealand's preparations for the Twenty20 World Cup suffered a setback with fast bowler Adam Milne and all-rounder Michael Bracewell sustaining injuries ahead of the global showpiece taking place in India and Sri Lanka from February 7.

Allen suffered a back injury while Milne injured his ankle while training ahead of the team's departure. Plans for their respective comebacks at this stage is unclear.

The tourists threw away a strong position in their run chase after Babar Azam and Fakhar Zaman scored half-centuries as they were dismissed for 173 in the final over, in response to New Zealand's 194-8.