Washington threatened Wednesday to increase Syria's support for the rebels, if President Bashar al-Assad refused to discuss the political end of a civil war spread across borders.
Reinforce the fight against the rebels called "invasion", the supporters of Hezbollah and Iran, the day Assad's forces attack, may prove to be a turning point in the war a strategic town.
Qusair town fighting for months in the war brought the most intense fighting has killed more than 80,000 people, the use of Hezbollah has spread across borders in the heart of sectarian violence in the Middle East.
Washington and Moscow are scrambling to revive diplomacy, both sides have to strengthen peace efforts, in Assad's enemy has used chemical weapons and suspected al-Qaeda fighters linked to the rise of new reports of atrocities.
United States Secretary of State, John Kerry said, thousands of Hezbollah fighters participated in the conflict, Iran's support on the ground.
Loyal to Assad's forces had gains in recent days, but these "very short," Kerry told a news conference in Amman, before the meeting of the "Friends of Syria" team, led by Western lined up against Assad countries and regions.
Obviously, "Just last week, Hezbollah involvement is very, very significant," Kerry said. "Thousands of Hezbollah militia forces on the ground in Syria, who is causing this violence, we condemn."
Kerry conference in Jordan, seeking from Europe and Arab countries to seek support for the latest peace initiative - a phone call, he issued jointly with Russia, is expected to be taken in the coming weeks in Geneva.
United States and the European Union have so far avoided directly from the armed rebels, but has given them "non-lethal" support, and Arab countries such as Qatar and Saudi Arabia's supporters to give their weapons. As Russia and Iran supply Assad, the Western countries have balanced their opposition to the president and the fear insurgents weapons could reach the "base" organization allied Islamists.
US-Russian peace conference proposal made suspect Washington is diluted, supporting Assad opponents, who had long refused to negotiate unless Assad ruled out any future settlement of the Arab countries.
However, the "Friends of Syria" made it clear that they will give more support, and now the opposition in order to strengthen its position in the negotiating table, while Kerry raised more aid may still come if Assad does not accept a political solution.
"Ministers also stressed that, until such time as the Geneva conference to produce a transitional government, they will further increase support for the opposition, and to take all other necessary measures," the group said in a final communique, did not provide details of the kind of assistance they might give up.
Kerry spoke to reporters before the meeting, "said the Assad regime is unwilling to negotiate ...... sincerely, we will talk about our continued support and more and more support opposition to allow them to continue to fight for their country's freedom. "
Russia said that negotiations must include Assad's government and Iran. Syrian Foreign Minister Sergei Lavrov praised the government's response to the US-Russian proposal and said that the opposition too divided agreed to participate.
Syrian Deputy Foreign Minister Faisal Mekdad said the Assad government will soon decide whether to participate in the talks. Opposition is expected to be in Istanbul on Thursday at a meeting to discuss its position.
French Foreign Minister Laurent Fabius said the new Geneva Conference "MUST NOT include a successful country," a sign that Paris remains opposed to Iran to attend.
"Invasion"
Rebel combat control Qusair, now the main front, loyal to Assad and called for reinforcements repulsed them described as "invasion" of Hezbollah and Iranian forces.
"Who owns the weapons or ammunition people should give them Qusair and Homs, in order to enhance their resistance. Every bullet sent to Qusair and Holmes will prevent intrusion attempts to drag Syria fear the era of George Sabra , acting head of the opposition National Alliance said in a statement.
Opposition fighters said air strikes and shelling shook the Syrian - Lebanese border near the town.
Assad's forces seize Qusair is intent on keeping the belt territory, connecting the capital Damascus, Assad on the Mediterranean coast in the heart of his minority Alawi sect, an offshoot of Shiite stronghold, in order to consolidate their The.
Seize Qusair will also allow Assad in Syria rebel-controlled north and south sever the link between the areas, cut off from the Lebanese Sunni rebel region's main supply routes.
Some opposition parties said they privately believe that Assad's forces, led by Hezbollah's ground units, has taken about 60% of the town. But they said the rebels counterattack efforts in a battle, you can decide the fate of the uprising.
"If we lose Qusair, we lost Holmes, Holmes if we lose, we lose the heart of the country," Achmed said the rebels from the nearby provincial capital Holmes speaking, explosions and Gunfire rang in the background.
After months of regional and international experts warned that the spread of violence in Syria's borders, with the pro-and anti-Assad Lebanese city of Tripoli and the fire in the Golan Heights of Syria and the exchanges between the Israeli army conflict between the factions.
After a night of violence in Tripoli in five days of fighting Sunni and Alawi, the death toll of 13 people, security sources said.
Israeli army to destroy Israel bombed Syrian officials say Hezbollah Iranian arms supply routes. Israeli Air Force commander said on Wednesday that Israel is ready to attack Syria, Hezbollah and Sunni militants in the hands of weapons, if Assad fell.
"If Syria collapse tomorrow, we will need to take action to prevent strategic grab advanced weapons," said Maj. Gen. Amir Aisha Seoul.
Explosion, killing 51 people died earlier this month in the Turkish town of Reyhanli security concerns prompted Turkey near the border with Syria on Wednesday to close one. Turkey accused Syria of involvement attacks. Damascus has denied any role.
In boost the rebels, the U.S. Senate Foreign Relations Committee, the Council voted Tuesday to send weapons moderate Syrian opposition members of the U.S. Congress approved the first such action. In the Republican-controlled House of Representatives armed rebels enthusiasm is low, so it is unclear whether the Senate bill will be passed by Congress.
Sunni rebel leader sectarian revenge attacks Shiites, Alawites in Syria and Lebanon border on both sides warned that if the rebels lose Qusair.
Civil war in Syria, Hezbollah's participation in steering the risk - which is already pits mainly Sunni Muslim rebel army against Iyad Allawi - a regional sectarian conflict.
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