Uzbekistan last night closed its borders to refugees fleeing neighbouring Kyrgyzstan as the numbers killed in the ethnic violence spiralled and aid agencies reported fresh allegations of atrocities from the survivors.img width='1' height='1' src='http://feeds.timesonline.co.uk/c/32313/f/440158/s/b2a8ad3/mf.gif' border='0'/br/br/a href="http://da.feedsportal.com/r/73199236894/u/0/f/440158/c/32313/s/187337427/kg/45/a2.htm"img src="http://da.feedsportal.com/r/73199236894/u/0/f/440158/c/32313/s/187337427/kg/45/a2.img" border="0"//a