Members of US Congress are to be shown a 13-minute video compilation of CIA-verified footage showing the victims of a chemical attack on eastern Damascas.
Senate Intelligence Committee chairwoman Dianne Feinstein said her committee was shown the "grim and ghoulish" video yesterday.
The 13-minute video is available to watch on senate.gov but viewers are advised that the footage contains some extremely distressing scenes.
Assad's CBS interview is unlikely to make any difference among the people and policymakers in America.
Much more significant here is the 13 CIA-verified videos, which have just been released, of the chemicals weapons attack on the outskirts of Damascus.
Some of those are extremely harrowing and today those videos are being shown to all members of Congress. That is much more likely to sway opinion.
It is in many ways the secret weapon of the lobbying effort now underway by the White House.
War emptied the suburb of Yarmouk in southern Damascus of its people. Assad's army holds it, but their prize is a ghost town.Read the full story ›
I think there is a growing belief, certainly among the regime, that a military that a strike now looks likely, they watch international television, they can see the mood in congress.
I spoke to one Syrian commander, who didn't give anything way, but he said things are being hidden and when it comes to it, we will be hiding too.
UN weapons inspectors have been investigating an alleged chemical attack in Damascus for a third day.
This video, which was uploaded to a social networking website, purports to show the inspectors in the suburb of Zamalka east of the city.
ITV News cannot independently verify this video at present.
UN inspectors need four days in Syria to conclude their investigation into last week's alleged chemical attack and analyse their findings, UN Secretary-General Ban Ki-moon has said.
"They are working very hard, under very, very dangerous circumstances," Ban said. "Let them conclude their work for four days, and then we will have to analyse scientifically with experts and then I think we will have to report to the Security Council for any actions."
UN weapons inspectors in Syria have met people wounded in last week's attack as they look for evidence that chemicals were used by the Assad regime.
A video posted online appears to show the moment a Syrian father is reunited with his young son who he had feared was killed in last week's alleged chemical attack in Damascus.
ITV News cannot independently verify this video:
The man is overcome with emotion as he is led through a corridor to where his son is waiting for him, where he falls to his knees and weeps as the boy is put in to his arms.
Later in the video the boy and his father sit on a couch and embrace and he tells the boy: ”Don’t cry my son, I am next to you now...thank God, thank God you are alive.”