Video shows a recent suicide attack on government troops in northern Syria . Radical Islamists : One of the attackers is American , identified as Abu Hurayra . One video on YouTube , with the title `` the American martyrdom from al-Nusra Front , '' identifies the suicide bomber as Abu Hurayra Al-Amriki . U.S. official : We have no information about him at this time. U.S. officials have expressed concerns about Americans fighting in Syria .
Video shows a recent suicide attack on government troops in northern Syria . Radical Islamists : One of the attackers is American , identified as Abu Hurayra . U.S. official : We have no information about him at this time. U.S. officials have expressed concerns about Americans fighting in Syria .