Obama authorised a secret mission to free journalist and other Americans but they were not found, officials say.
Lawyers for three journalists jailed in Egypt say there were several breaches of process in their trial.
Police fire tear gas to break up rally by supporters of former general who lost last month's presidential vote.
Border guards examine convoy of Russian aid trucks headed to help civilians in hard-hit areas in eastern Ukraine.
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Inside Story21 Aug 2014 06:46 GMT
The Islamic State group sends a graphic "Message to America" said to show the beheading of an American journalist.
Al Jazeera World20 Aug 2014 11:25 GMT
How Germany's failure to track down the killers of nine immigrants affected its relationship with the Turkish community.
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