yemenise government. it's under risk from the group so it takes risks when it carries out operations like this. i think many terror analysts, watchers were encouraged by the scale of the operation and shows a commitment from the government there have been questions about before. >> jim reporting for us. dramatic video and dramatic u.s.-led drone strike against target in yemen. let's go to ukraine right now. new photos may show russia's hand in stirring up the unrest in the eastern part of ukraine. deadly violence threatens that fragile so-called peace agreement. senior international correspondent arwa damon joining us live now from eastern ukraine with the very latest. tell our viewer what's going on where you are? >> reporter: wolf, ukrainian officials are greatly concerned russia is laying down the framework to annex eastern ukraine, the same way it did in crimea and say they have mounting evidence.