for "nightline," i'm ian pannell in london. ♪ >>> up next, the tony robbins face-off with a woman at about the "me too" movement, and why she's ush approximating back. h approximating back. very much. ee pushing back. i was in the stone ages as much as technology wise. and i would say i had nothing. you become a school teacher for one reason, you love kids. and so you don't have the same tools, you don't always believe you have the same... outcomes achievable for yourself. when we got the tablets, it changed everything. by giving them that technology and then marrying it with a curriculum that's designed to have technology at the heart of it, we are really changing the way that students learn. and i can't wait for ten years from now when i get to talk to them again and see, like, who they are. ♪ proof of less joint pain. and clearer skin. this is my body of proof that i can fight psoriatic arthritis with humira. humira works by targeting and helping to block a specific source of inflammation that contributes to both joint and skin symptoms. it's proven to help relieve pain, stop furt

and ian pannell joins us live. we've seen the horrific images before. you've covered this war in depth. what do you expect from the international community and the united states to stop these attacks? >> reporter: it's a really good question. the u.n. security council is holding an emergency meeting tomorrow. washington has made it clear, all options are on the table. unless there's immediate and concrete action, it's hard to see any of this bothering or stopping president assad and his allies. >> thank you. president trump was set to meet with his senior leadership on month. for more on the white house reaction, let's get to tara palm palmeri. >> reporter: tonight, president trump, faced with the graphic images of dead families and suffering children, didn't wait for verification before declaring syria's actions a chemical attack. "many dead, including women and children, in mindless chemical attack in syria. president putin, russia, and iran are responsible for backing animal assad. big price to pay." in addition to slamming syrian president assad, tr

abc's ian pannell with the latest. >> reporter: the serious questions about whether these images provegime just attacked its own people with chemical weapons again, a war crime. the strikes came after dusk saturday, following a months-long barrage in douma near the capital damascus. what happened next is difficult to watch. patients pouring into makeshift clinics with burning eyes, struggling to breathe. at least 40 dead, choking on an unknown substance. once again, the regime of syrian president bashar al assad backed by the russians has denied using chemical weapons, claiming these videos are fabricated. it said the same thing repeatedly in the past. it's been just over a year since a similar attack. >> tonight i ordered a targeted military strike on the airfield in syria from where the chemical attack was launched. >> reporter: there have been at least a half dozen suspected chemical attacks in syria since the president launched those airstrikes which were meant to deter. the russian foreign ministry warning against any new fighting in the area, and that the fighting has now stopped