Foreign Ministry sources in Italy have confirmed that the Syrian ambassador will be expelled, in line with a number of other countries - Reuters
Around the world, patience ran out with Syria's President Assad. Ambassadors and diplomats were expelled from embassies, including in the UK
A look at what countries have expelled Syrian diplomats in the wake of the Houla massacre
Countries from Australia to the UK have expelled Syrian diplomats in a coordinated move to step up pressure against the regime.