New Zealand spy agencies tight-lipped on US document leak

New Zealand spy agencies and the government are tight-lipped about being caught up in a leak of top secret documents that assess Israel's plans to attack Iran. In the US an investigation is underway into who had access - and that encompasses the Five Eyes intelligence group that includes New Zealand. Sharing military-linked intel or technology has risks, but several new moves are being made on that front. Phil Pennington has been looking at it.