In Afghanistan, NATO -led forces have killed at least 13 militants in eastern province of Paktika. NATO said in a statement that nine militants were killed in Urgun district last night while four were killed in Mata Khan today.Meanwhile, three foreign soldiers were killed today taking the death doll among them to seven since yesterday. Two soldiers died in northern Afghanistan while another died in southern part of the country. Four US soldiers were killed in southern Afghanistan yesterday due to a roadside bomb blast.