Latest News | Updated Aug 27, 2.30 pm (Singapore time) http://straitstimes.com/latest/story/0,4390,269529,00.html? Militant group claims downing of Russian planes CAIRO - A claim of responsibility for the downing of two Russian planes appeared on a website known for militant Muslim comment on Friday. The statement, which accused Russians of killing Muslims in Chechnya, was signed 'The Islambouli Brigades'. A group with a similar name has claimed at least one previous attack, but the legitimacy of the group and the authenticity of such statements could not be verified. Advertisement Russian officials have said terrorism was the most likely cause of Tuesday's plane...