In Paris, French Minister Alain Vidal said Wednesday that the parliament will convene an emergency conference next Wednesday to discuss crisis in Syria.

French government spokeswomen Najat Belkacem-Vallaud also confirmed that President Francois Hollande has decided to "summon parliament on Wednesday to assess the situation in Syria."

In Brussels, Belgian Deputy Prime Minister and Foreign Minister Didier Reynders said Wednesday that evidence was needed before use of force, and Belgium trust in UN experts now working in Syria to check on the alleged use of chemical weapon by its government.

In the Hague, Dutch Foreign Minister Frans Timmermans said Wednesday he was awaiting the outcome of the UN report on the alleged use of chemical weapons in Syria before deciding on whether to support any military intervention.

Timmermans added that if the use of chemical weapons was proven, the Dutch were in favor of measures against the perpetrators.

In Moscow, Russian Deputy Foreign Minister Vladimir Titov said that it was untimely to talk about potential UN sanctions against Damascus before investigators submit a report on alleged use of chemical weapons in Syria.

Moscow has repeatedly admonished against possible military intervention in the Syrian crisis, stressing that such attempts would undermine efforts for a political settlement.

In Tehran, Iran's Supreme Leader Ayatollah Ali Khamenei warned Wednesday that the US intervention in Syria will be a "catastrophe" for the region.

The region is like a "powder keg" and the future will be unpredictable if something happens, Khamenei made the remarks at a meeting with the cabinet members.

Meanwhile, voices opposing any possible military actions also resounded in Syria's neighboring Arab nations as well as in Latin American countries.

In Beirut, Lebanese caretaker foreign minister said Wednesday that his country would not allow the use of its airspace to carry out strikes against neighboring Syria.

Adnan Mansour told the Voice of Lebanon radio that "no military action should be carried against Syria before the UN investigation team completes its report on the use of chemical weapons."

He warned against any military operation outside the UN Security Council framework, which "would have grave repercussions throughout the international community."

In Amman, Jordanian Minister of State for Media Affairs Mohammad Momani said Wednesday its territories will not be used for any military action against Syria.

He said the kingdom continues to support a political solution to the Syrian crisis that safeguards the unity of the war-torn neighboring country and its people.

In Caracas, Venezuelan President Nicolas Maduro on Wednesday expressed his rejection to the possible intervention in Syria by the United States and the allied countries of the North Atlantic Organization Treaty (NATO).

The United States and the NATO countries have armed groups in Syria to prepare an intervention and control the Arab country, Maduro said via Twitter.

"Enough of imperial wars of conquests against peoples in the world. Capitalism always imposes a war to overcome its own crisis," said Maduro, arguing that the US intention is to destroy the Arab people to destabilize the region.

In Havana, the Cuban government criticized "any attempt to undermine the independence, sovereignty and territorial integrity" of Syria and called for a political solution to the crisis in that country.

In Rio de Janeiro, Brazilian Foreign Minister Luiz Alberto Figueiredo voiced opposition against military intervention in Syria without the full backing of the United Nations.

"The Brazilian government's position is and has always been not to consider armed intervention if it is not done under the support of a resolution from the United Nations Security Council," Figueiredo said at his first press conference as foreign minister.

In Quito, the Ecuadorian government on Wednesday expressed its utter rejection of any possible armed attack against Syria by foreign countries.

Any military action would be a direct intervention and violation of the sovereignty of states, the Ecuadorian Foreign Ministry said in a statement.