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By Janet McBride , U- @) A5 i, R& x" k+ J& v, {( h d/ j# e+ a$ u: ~$ i) d/ b: W
LONDON (Reuters) - Oil rose towards $70 on Wednesday as U.S. warships put on a show of force off Iran's coast, coinciding with a United Nations agency report that said the Islamic republic had expanded its nuclear programme.8 c& P3 Z- [1 p! E$ q8 [3 i