Transcript for Trump plans to meet with senior military leaders on Monday
concrete action, it's hard T see this bothering or stopping presid Assad and his allies. Hank you. Anr more on the white house's reactiont's go to Tara Palmeri. Repor tonight, president trump, faith the graphic im of dead families and suffering children, didn't wait for verification before declaring Syria's actions a chemical attack "Many dead, including women and Chen, in mindless ch attack in Syria. President Putin, Russia, a Iran are responsible for backing animal Assad G price to pay." In addition to slamming Syrian president Assad, trump attacked russprident putir the first time on Twitter. The presids homeland security aounterterrism adviser mat clear, military options are open. I out take anything off the table. These are horrible photos. We're looking into the attat this point. Reporter: It's a ki coast to the president's nt words, the would be willing to pull 2,000 U.S. Troops out of Syria. E way, we'recking the hell out of ISIS. We'll be coming out of Syria, ry soon. Let the other people take care of it now. Eporter: But after today's events, that may no loer be an on. It was pictures ofocent children, victimized by a chal attack last year, T provoked his first military strikein. I will you, that attack on children yesterday, had a big pact on me. Big impact. Reporter: Tonight, blicans calling for the president to stick to high LI If oesn't follow ugh and live up to that tweet, hs going to look weak in the eyes of Russia and Iran. So this is a defining nt. Ara, Republican senator John MC has been critical of president trs remarks saying he would puloops out of Syria? Reporter: That's right, he put out a scathing stament, saying Assad was emboldene the president's annoment he woul pulling troops out of Syria. Cain questiod WHE the president will fol tough what he said I his tweet, and something about
This transcript has been automatically generated and may not be 100% accurate.