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By Janet McBride ) k" N7 p Q4 ^8 I+ ^- C6 |( k& s8 n7 u/ D) r, @, m! y
LONDON (Reuters) - Oil rose towards $70 on Wednesday as U.S. warships put on a show of force off Iran's coast, coinciding with a United Nations agency report that said the Islamic republic had expanded its nuclear programme.8 U* V0 P$ r( x- J" h