French president tells the Russian leader that use of chemical weapons in the conflict would lead to immediate response, while urging cooperation over Isis.
. . . .
Macron said France would show “no weakness” if chemical weapons were used, and would immediately respond.
French spies amassed and publicly released evidence last month that indicated the Assad regime had used toxic sarin gas on the town of Khan Sheikhun, an attack that provoked the US to launch missiles on a Syrian air base in its first targeted attack against the Syrian president’s forces.
First I've heard it was them.
Must have missed it.