1
That attack was followed by a US cruise missile attack on a Syrian airbase.
2
The Khan Sheikhun attack drew international condemnation and provoked a US missile strike on a Syrian airbase.
3
Lavrov said the strikes carried out by the United States on a Syrian airbase last week were unlawful.
4
It comes one year after a similar attack provoked US president Donald Trump to launch cruise missiles at a Syrian airbase.
5
One came last week after a deadly chemical weapon attack in northern Syria, followed by a US missile strike on a Syrian airbase.
6
Ryan also defended the bombing of a Syrian airbase in the wake of the sarin gas attack allegedly by Bashar al-Assad's air force.
7
In 2017 US President Donald Trump orders air strikes against a Syrian airbase after a chemical attack on the rebel-held town of Khan Sheikhun.
8
The president had gone for the more cautious of the two plans presented to him: a limited and largely symbolic strike on a Syrian airbase.