Islamic State's execution of a captured Jordanian pilot by burning him alive has backfired on the militant group by galvanizing the U.S.-led coalition that is fighting it in Syria and Iraq, a senior U.S. official said on Sunday.
Russian-backed rebels' violent offensive in eastern Ukraine leaves President Barack Obama with perplexing and urgent choices, but aides say he will exercise his typical caution in deciding his next move.
Tunisia arrested 32 militant Islamists, some of them returning from fighting in Syria, who planned "spectacular" attacks, officials said on Saturday.
The death toll after nearly four years of civil war in Syria has risen to 210,060, nearly half of them civilians, but the real figure is probably much higher, the Syrian Observatory for Human Rights said on Saturday.
