UPDATE 1-Former New Zealand prime minister Key to retire from Air NZ board <!-- no image --> <div>Former New Zealand prime minister John Key will retire from Air New Zealand's board of directors on March 31, the company said on Tuesday.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=FSLjWErh-zw:Unhbnnet2qc:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=FSLjWErh-zw:Unhbnnet2qc:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=FSLjWErh-zw:Unhbnnet2qc:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=FSLjWErh-zw:Unhbnnet2qc:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=FSLjWErh-zw:Unhbnnet2qc:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/FSLjWErh-zw" height="1" width="1" alt=""></div> Posted by Reuters