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By Janet McBride : ^4 M9 v6 V5 G/ O& E+ {, x, r; W( T1 Q. d; P8 t
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. " c! ~& i% e% g2 C5 J9 q- S7 [" s+ i0 ]2 A0 U4 x4 r* k* j