* r' a- t/ f' t. nBy Janet McBride d L4 Y0 j( d! K$ z# B; ^6 [
* L8 ^ D H6 u9 y: e$ z# [. yLONDON (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.7 F8 L' g. R% `; U. V! B8 C4 S6 O