Secretary of State John Kerry says that tests have shown evidence of Syria's use of the chemical agent sarin in an attack on the opposition last month that the White House has blamed on the regime of President Bashar al-Assad.
"I can share with you today that blood and hair samples that have come to us through an appropriate chain of custody from East Damascus, from first responders, it has tested positive for signatures of sarin," Kerry told CNN on Sunday.
President Obama spoke from the Rose Garden at the White House Saturday. In his remarks, the President called for military action against Syria as a response for the use of chemical weapons. Obama also said he would seek the approval of Congress for that action.
Aug. 30, 2013: Secretary of State John Kerry on the crisis in Syria
The evidence is clear "and compelling" that Syrian President Bashar Assad's regime used chemical weapons against its own people last week, Secretary of State John Kerry told the American people Friday.
The U.S., Kerry said, knows where the rockets carrying the chemicals were fired from — territory controlled by the Assad regime — and when they were launched.
From 'Morning Edition': Diplomat Frederic Hof speaks with David Greene about the crisis in Syria
(We added a new top to this post at 1:15 p.m. ET.)
"Anyone who approaches this logically" would conclude that the regime of Syrian President Bashar Assad is responsible for last week's chemical weapons attack near Damascus that reportedly left hundreds dead and thousands more injured, White House spokesman Jay Carney told reporters early Tuesday afternoon.
Secretary of State John Kerry called the current situation in Syria "unacceptable by anyone's standard" and lashed out at the government of President Bashar al-Assad for using Hezbollah in the fight against rebels.
"Assad chose to raise the stakes militarily," Kerry said. "He chose to attack the Syrian people, but this time using Iranian supporters and using Hezbollah, which is a terrorist organization.