23/05/07 + B5 m0 l% C b+ s, k2 ~/ u # I8 Z$ U) Y% \! t; A* kBy Janet McBride ' A7 q4 w p* I! @, H ) r& L' [% f& F. G* l* o) E$ { JLONDON (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.. N; O0 N" e _) p, \) t