David Cameron today backed America's claims that the Syrian regime has used chemical weapons.
ITV News Washington correspondent Robert Moore reports on how, after two years of agonizing on the sidelines, America will now provide light weapons to the Syrian rebels - but risks satisfying no one with their level of involvement.
Warning: This video contains images purporting to show victims of chemical attacks which some viewers may find distressing
US President Barack Obama has tip-toed over the 'red-line' and armed Syrian rebels but it is a gamble of huge proportions.
Writing for ITV News, international affairs analyst David Butter looks at the timing of US support for Syria and when it may arrive.
Are the US supplied assault rifles too little, too late and what incentive is there for Assad to enter peace talks?