US sceptical about Russian claim to have killed Isis leader
Moscow says Abu Bakr al-Baghdadi died in strike on meeting of Islamic State leaders
A file image from a video released by Islamic State showing Abu Bakr al-Baghdadi giving a speech. Photograph: EPA
Moscow said on Friday its forces may have killed Islamic State leader Abu Bakr al-Baghdadi in an air strike in Syria last month, but Washington said it could not corroborate the death and western and Iraqi officials were sceptical.