UPDATE 1-FTSE 100 tracks global slide as Brexit worries hit RBS <!-- no image --> <div>* British Airways owner IAG gains on profit beat (Adds company news items, analyst quotes, graphic, updates share moves)<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=mMEyFIoxMLk:RAmoRI4X_Dg: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=mMEyFIoxMLk:RAmoRI4X_Dg:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=mMEyFIoxMLk:RAmoRI4X_Dg:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=mMEyFIoxMLk:RAmoRI4X_Dg:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=mMEyFIoxMLk:RAmoRI4X_Dg:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/mMEyFIoxMLk" height="1" width="1" alt=""></div> Posted by Reuters