Secretary of State John Kerry indicated today that the Obama administration intends to hold the Syrian regime accountable for a chemical attack that he called "undeniable."
Kerry spoke as the Obama administration was mulling possible military action following reports of a massive chemical weapons attack with many of the victims being civilians.
And his comments came hours after U.N. inspectors were fired upon by at least one sniper as they tried to enter the area to carry out an investigation to probe the claims of the chemical attack.
Kerry said that the attack was "inexcusable and undeniable," and that the judgment on who is responsible is "very clear to the world."
"We know that the Syrian regime maintains custody of these chemical weapons. We know that the Syrian regime has the capacity to do this with rockets. We know that the regime has been determined to clear the opposition from those very places where the attacks took place," he said.
The regime of Syrian President Bashar Al-Assad had denied using chemical weapons and blamed the attack on the rebels his soldiers are battling.
But the secretary of state pointed to the regime's behavior in the wake of the attack as further evidence of guilt.
"For five days the Syrian regime refused to allow the U.N. investigators access to the site of the attack that would allegedly exonerate them. Instead, it attacked the area further, shelling it and systematically destroying evidence. That is not the behavior of a government that has nothing to hide. That is not the action of a regime eager to prove to the world that it had not used chemical weapons. In fact, the regime's belated decision to allow access is too late and is too late to be credible," Kerry said.
For all the outrage, Kerry did not speak of any specific consequences or actions the U.S. planned to take. He said the President Obama continues to consult with Congress and U.S. allies and will soon make a decision.
"Make no mistake: President Obama believes there must be accountability for those who would use the world's most heinous weapons against the world's most vulnerable people," Kerry said.
A senior State Department officials said today that a formal assessment is likely to come soon, possibly sometime this week.
A U.N. team began its investigation today after nearly a week's delay by the Assad government, but the team's car immediately came under fire by at least one sniper, UN Secretary General Ban Ki-Moon said.
"Despite such very difficult circumstances, our team returned to Damascus and replaced their car and proceeded to a suburb of Damascus to carry on their investigation," Ki-Moon told reporters. "They visited two hospitals, they interviewed witnesses, survivors and doctors, they also collected some samples. They are now returning to Damascus."
The secretary general said that the U.N. will be registering a "strong complaint" to both the Syrian government and opposition rebel leaders about the attack in an effort to prevent more incidents from occurring during the rest of the investigation. The U.N. Security Council is holding an emergency meeting today to discuss the current situation in Syria.
Over the weekend the Obama administration deliberated over what action the U.S. should take after finding "very little doubt" that the Syrian government used chemical weapons against its own people.
The president and his national security team met to outline military options that include positioning destroyers currently in the Mediterranean that could be used to carry out limited cruise missile strikes. The purpose of launching the strikes would be to "defer or prevent" another chemical attack by the Assad regime, senior administration officials tell ABC News.
On the diplomatic front, Kerry has been furiously burning up the phone lines to allies and foes, including speaking with Russia's Foreign Minister Sergey Lavrov and Syrian Foreign Minister Moulliam. The call to Moulliam on Saturday was the first time the secretary has spoken to anyone in the Syrian government since taking his post early last year.
A senior State Department official said Kerry made clear that based on information U.S. allies have shared along with other intelligence and analysis "there is very little doubt that a chemical weapon was used by the Syrian regime against civilians in this incident."