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By Janet McBride3 J4 ^; t# U! {) m6 c5 T
. w& |: n+ v$ N6 a; O/ ~ aLONDON (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., h. P- @) x. T0 F y, i2 Z# y: r( m