The UN's meeting later to discuss a chemical attack in Syria.
There's been international condemnation after dozens of people, including children and babies, died in the attack on a rebel-held town in Idlib province.
Rescue workers used water to try to decontaminate victims who were suffocating.
The region's been heavily bombed in the past few days.
Staffan de Mistura is the UN special envoy for Syria.
