UPDATE 1-Iran dismisses U.S. claim it was behind Saudi oil attacks, says ready for war <!-- no image --> <div>* Saudi de facto ruler says Riyadh willing and able to act (Adds oil price outlook, comment from France, Iran)<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=vI50TCeQB9g:sMHr-nitmmg:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=vI50TCeQB9g:sMHr-nitmmg:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=vI50TCeQB9g:sMHr-nitmmg:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=vI50TCeQB9g:sMHr-nitmmg:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=vI50TCeQB9g:sMHr-nitmmg:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/vI50TCeQB9g" height="1" width="1" alt=""></div> Posted by Reuters