kimberly leonard, thank you very much. we'll see you in 20 minutes. >> yep. >> thank you. >>> last night, the white house issued a warning aimed at syria. in a statement, the white house says, "there are potential preparations for another chemical weapons attack by the syrian regime that would lead to mass murder of civilians." it also warned president bashar al assad that there will be a heavy price to pay if such an attack is carried out. what prompted this warning seemingly out of nowhere? for the latest, let's bring in international diplomatic editor nic robertson, monitoring developments from abu dhabi. nic, this is counter to what we've seen for the most part from the trump administration. they didn't want to telegraph anything they did in terms of military preparations, a different approach here. >> reporter: yeah. it seems to be so. that was how the strike happened last time. the 59 cruise missiles that were fired on to assad's air base where the chemical weapons attack was perpetrated from. no warning. it was a su