On the eve of International Workers' Memorial Day the government has announced there will be an investigation into deaths at New Zealand ports.
Pressure was mounting after a man was killed at Lyttleton Port on Monday and another died at the Ports of Auckland last week.
Port companies are also being asked to review their operations - and there could be regulatory changes.
Craig Harrison is the national secretary of the Maritime Union of New Zealand. He talks to Nick Truebridge.
