NEW YORK (Reuters) - Rupert Murdoch's New York Post has ordered newsroom staff to keep all documents related to questionable reporting methods involving phone hacking or unlawful payments to government officials in light of the fire storm in the UK engulfing the newspaper's owner, News Corp. (http://feeds.feedburner.com/~ff/reuters/topNews?d=yIl2AUoC8zA) (http://feeds.feedburner.com/~ff/reuters/topNews?i=uvSZCVMzlp0:Wz-f7xTy6aA:V_sGLiPBpWU) (http://feeds.feedburner.com/~ff/reuters/topNews?i=uvSZCVMzlp0:Wz-f7xTy6aA:-BTjWOF_DHI) (http://feeds.feedburner.com/~r/reuters/topNews/~4/uvSZCVMzlp0)