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By Janet McBride b8 i0 O* [9 ?# G1 T
. y- }+ t8 J4 F) i5 RLONDON (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. ; O2 b2 A3 i2 h8 R/ v' i8 b' R, @) T9 L