The U.S. is investigating what it believes are "credible" reports that ISIS fighters used mustard agent in an attack against Kurdish Peshmerga this week.
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Another Croatian hostage was abducted in Egypt by Islamic State in Iraq and Syria (ISIS) on wednesday. The Croatian man was 30-year-old oil and gas sector surveyor likely will rattle companies with expatriate workers in Egypt and cast a cloud over President Abdel-Fattah el-Sissi's attempts to boost international investment and tourism following years of unrest.There are a black ISIS flag and a knife were planted in the sand next to him in video.Horrifying video of how IS exploded captives by bomb.