UPDATE 4-Hundreds return to Hong Kong streets as metro, shops shut after violence <!-- no image --> <div>* "Extreme violence" justified use of emergency law, Lam says<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=wxNCwsIXI0w:KD0ZTbjK95g: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=wxNCwsIXI0w:KD0ZTbjK95g:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=wxNCwsIXI0w:KD0ZTbjK95g:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=wxNCwsIXI0w:KD0ZTbjK95g:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=wxNCwsIXI0w:KD0ZTbjK95g:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/wxNCwsIXI0w" height="1" width="1" alt=""></div> Posted by Reuters