The Syrian army and the people of Damascus are preparing themselves for US military action seen by many as inevitable.
The capital's residents show no obvious signs of panic, but they are worried, as ITV News International Editor Bill Neely reports:
Syrian government officials were watching President Obama's White House speech. I didn't see them smile but there's no doubt they did.
Footage has emerged which appears to show an horrific incident incendiary weapons in northern Syria near a school.
After last week's clouds of poison gases in the suburbs, people in Damascus are bracing themselves for the expected missile retaliation.