Centrica, Barclays weigh down FTSE 100 <!-- no image --> <div>London's blue-chip index was dragged lower on Thursday by steep falls in heavyweight bank Barclays and utility Centrica, while a rise in new coronavirus cases in China jolted broader risk sentiment.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=NvaP7sn6E_Y:pWYLmE387R8: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=NvaP7sn6E_Y:pWYLmE387R8:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=NvaP7sn6E_Y:pWYLmE387R8:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=NvaP7sn6E_Y:pWYLmE387R8:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=NvaP7sn6E_Y:pWYLmE387R8:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/NvaP7sn6E_Y" height="1" width="1" alt=""></div> Posted by Reuters