<div>UPDATE 1-Britain's budget watchdog doubles borrowing forecast</div> <!-- no image --> <div>Britain's budget forecasters doubled their estimate on Monday of how much the government is likely to borrow over the next five years, even before accounting for pre-election spending promises or a weaker economy.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=Z12IyJyXyVc:W48zEPJ964I: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=Z12IyJyXyVc:W48zEPJ964I:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=Z12IyJyXyVc:W48zEPJ964I:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=Z12IyJyXyVc:W48zEPJ964I:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=Z12IyJyXyVc:W48zEPJ964I:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/Z12IyJyXyVc" height="1" width="1" alt=""></div> Posted by Reuters