“The victims of the Assad regime are paying the price for this mistake,” says German politician Volker Beck.
Senior diplomat ups the stakes after Washington and Moscow clash at the UN.
UN war crimes investigators had previously documented 33 chemical attacks in Syria, attributing 27 to the Assad government, which has repeatedly denied using the weapons.
His comments came after a chemical attack in the rebel-held city of Douma was apparently carried out by the Syrian regime, leaving dozens of people dead.
“Even without poison gas, these vehicles are used to launch inaccurate explosives that inflict terror and death on Syrian civilians,” said Amos Yadlin.
Rebels and two sources confirm casualties of a chlorine attack near the Hermon in Syria sought treatment in Israel.
In their 14th report since 2011, UN investigators said they had in all documented 33 chemical weapons attacks to date.
Among the elements found in the samples were hexamine, a hallmark of sarin produced by the Syrian government.
Trump said last week that relations with Moscow "may be at an all-time low."
For the Trump administration, the strike in Syria – limited and demonstrative in nature, but strategically resounding and timely – served all purposes at once.