Transcript for France claims to have proof Syrian government was behind alleged chemical attack
Now to the tensions with Syria the UN Security Council will meet this morning in a last ditch attempt to avoid a US led missile strike. Investigators are working to confirm if chemicals were used in that attack that killed dozens of civilians. This was in a suburb held by rebels fighting the Syrian president Bashar Al Assad. But one American ally now says they have the proof. In she's Molly hunter is live for us in London again this morning Molly good morning to you. Kenneth good morning that's right French president and Maggie on that cross said that he has proved. That it was the Syrian government who carried out that chemical attack now micron has not revealing his evidence. But reports say blood samples from some of the victims tested positive for and nerve agent and for chlorine. Now Defense Secretary James Mattis says a decision on a strike hasn't been made yet. Matta says he believes chemicals were used in the attack but there needs to be actual evidence. Yesterday president Tran said a decision would be need fairly soon eight much different tone from his previous statements which sounded like an attack was imminent. The president and military leaders are weighing options to strike a light or go heavy experts say there may be many factors to consider. It'll probably be should a short. Quick card punch to the Asad regime and that could be it it all depends on how the Russians react and how the Syrians react in response. There's also evidence now that Syria and its ally Russia are repositioning assets warplanes and naval ships. To attempt her prevent them from being attacked and possibly prepare for a counterstrike. Now guys here in London prime minister trees and it has one. Approval for a military strike from parliament she spoke to president trump last night she says I'll work very closely together and so we wait. And yes that we do in a tense weekend ahead Molly thank you.
This transcript has been automatically generated and may not be 100% accurate.