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By Janet McBride " y8 J1 W# m* X( {- k3 [# L( k8 ^# e* ?- u
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 m9 d% P7 n! R! p, v! O) f, {1 W4 ^ d1 v