Russia blamed the strike on "speculations on children's photos." At the U.N., Ambassador Nikki Haley said, "The moral stain of the Assad regime could no longer go unanswered."
Lawmakers voiced cautious support for the decision to launch strikes in Syria, but leading voices in both parties want the administration to collaborate with Congress on where the strategy goes now.
Dozens of victims of Tuesday's attack were treated at a decontamination center across the border, and autopsies of the dead showed chemical weapons were used, the Turkish government says.
There is backbiting and infighting in the Trump White House that's playing out like a season of House of Cards or Veep. But the president is facing real and difficult challenges at home and abroad.
"Their faces had turned yellow and they had stopped breathing," a Syrian activist tells NPR. "As I'm describing the incident to you now, my hands are shaking. No, my whole body is shaking."
The effects of such weapons are more devastating for a number of reasons. And if children survive, they suffer from the trauma of the attack for far more years because they have more years to live.
An attack on a rebel-held region of Syria on Tuesday has killed dozens of people. Video and eyewitness reports suggest powerful chemical weapons are responsible.
The president's comments signal a possible shift in his approach toward Syrian President Bashar Assad after a suspected chemical attack in the country killed dozens including 20 children.
The suspected chemical weapons attack killed more than 70 civilians, including 20 children, in the town of Khan Shaykhun in Idlib province, according to the Syrian Observatory for Human Rights.