RNZ's chief executive, Paul Thompson, declined to speak with Morning Report about the revelation a staffer altered Reuters copy to include-pro russian sentiment.
In a statement, he described the breaches of editorial standards as extremely serious.
Since Friday 250 articles datingback to January last year have been audited 
Sixteen are now known to have been altered by a digital journalist, who RNZ has placed on leave.
Fifteen of the articles were from the Reuters wire service.
Colin Peacock, host of RNZ's Mediawatch, spoke to Corin Dann about RNZ's web-editing problems.