to be careful fog a recent anonymous posting on a jihadist website that encouraged attacks on teachers at american and other international schools in the middle east. >> u.s. embassy is working with the appropriate authorities to seek further information in this situation and shouldn't jump to any conclusions, we don't have all the facts here yet. >> officials now advising u.s. citizens in the region to take ex-practice ptra precautions. ryan's children are in the care of local police while they wait for their father, ryan's ex-husband, to arrive from abroad. violent crime in abu dhabi, i have to say, is very, very rare. and eye witnesses and residents alike expressing shock in the aftermath of this attack. chris, we are about to leave the bureau here for a press conference and a statement from the interior ministry here. we'll know more about perhaps who and why on this incident about 90 minutes from now. >> absolutely.