Rouhani's criticism of the United States was echoed by Turkish President Erdogan who stated that Turkey is "deeply annoyed by U.S. supporting a terrorist organisation in Syria".
Each leader laid out terms and issues on the battlefield which are most critical to their own concerns. The "political process" must be allowed to proceed.
In her remarks at the U.N. Security Council, Haley said the USA has been clear with Russian Federation and other nations that "we consider any assault on Idlib to be a unsafe escalation of the conflict in Syria".
"They came from [all over the country] because they didn't want to accept such a situation [reconciliation]", added Kabalan.
Putin said a ceasefire would be pointless as it would not involve Islamist militant groups it deems terrorists. It would bring peace to the civilians.
As for Trump's take on the reversal, Jeffrey said, "I am confident the president is on board with this".
The summit Friday, the third between Iranian President Hassan Rouhani, Russian President Vladimir Putin and Turkish President Recep Tayyip Erdogan, may determine whether diplomacy halts any military action.
Idlib province and surrounding areas are home to more than 3 million people.
A spokesman for the National Front for Liberation, a Turkish-based rebel alliance, said the group's fighters were prepared for battle but are looking to Turkey for efforts to prevent the attack and "protect Idlib". "Any fight against terrorists requires methods based on time and patience".
Putin reiterated Russia's stance that Assad's regime should be able to regain control of all of Syria.
Putin pushed for a muscular military response to crush rebel fighters in Idlib, calling at one point for the "total annihilation of terrorists in Syria".
Erdogan and Putin along with their Iranian counterpart Hassan Rouhani will hold a series of bilateral meetings before going behind closed doors for the trilateral talks.
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He warned militants in Idlib planned "provocations", possibly including chemical weapons.
"The only way they manage to smoke people out of the tunnels is by using chemical weapons".
For his part, Rouhani demanded an immediate withdrawal by American forces in the country, which the other leaders agreed with.
The 2,200 or so troops now stationed in Syria will stay, even though their stated primary goal of ousting ISIS "has almost been completed", notes The Washington Post. Yet the goal remained to have the roughly 2,200 USA troops in Syria exiting sometime this fall.
TRT World's Melinda Nucifora reports from Tehran.
Instead, it further highlighted the stark differences between allies of convenience in Syria's 7-year-old war, the topic of a summit that did not see embattled President Bashar Assad directly represented.
Iran wants to keep its foothold in the Mediterranean nation neighboring Israel and Lebanon. Russian Federation also wants to maintain its regional presence to fill the vacuum left by the USA and its long uncertainty over what it wants in the conflict.
Northwestern Idlib province and surrounding areas are home to about three million people, almost half of them civilians displaced from other parts of Syria.
Erdoğan stressed that a cease-fire decision would be a victory for the summit, adding that Turkey would never leave Idlib to the mercy of Syria's Assad regime.
For Turkey, the stakes couldn't be higher.
Noting that Turkey hosts 3.5 million refugees, he said: "Idlib's population is now 3.5 million".
Ankara fears a major assault on Idlib could spark an influx of refugees across its borders, and warned a military solution would only cause "disaster".
At least four people were killed and seven wounded in the air raids, local activists and rescue workers said.