Vladimir Putin has indicated his support for Syrian leader Bashar Assad is "not unconditional" after an alleged nerve gas attack in Idlib that left at least 86 dead including 30 children.
The Russian president is a key ally to Syria's government forces and earlier today personally refuted reports the regime used banned chemical agents in the attack as "unfounded".
He suggested hours later that Assad cannot count on his backing in any circumstance - but gave no indication he was about to change his stance.
"Unconditional support is not possible in this current world," Mr Putin's spokesman Dmitry Peskov said.
He also added that "it is not correct to say that Moscow can convince Mr. Assad to do whatever is wanted in Moscow. This is totally wrong."
The US Secretary of State says president Assad should have "no role" to continue governing after alleged gas attack on his own people.
Survivor of alleged Sarin nerve agent blast says 22 members of his family alone were killed in attack condemned as an "affront to humanity".
A father lost his twin babies, his wife, brothers and other family members in a suspect chemical attack in Syria on Tuesday.