Rebels captured a government military base Monday on the outskirts of Aleppo, the hotly contested Syrian metropolis that has seen more than a week of bloody clashes.
The base had about 200 Syrian troops and appeared to be under attack by rebels from three sides overnight.
"The battle lasted around nine hours," said Fazad Abdel Nasr, a rebel commander working in the northern Aleppo suburbs. Nasr said six regime soldiers and four rebel fighters were killed.
The rebels also gained heavy equipment to supplement the lesser weapons they had been fighting with.
"We captured four tanks in good condition, and they are now in the hands of the Free Syrian Army. Two were destroyed," Nasr added.
Despite the boost for the rebels, the relentless battle for Syria's largest city raged on Monday.
Al Jazeera correspondent Omar Khashram was wounded during heavy fighting in a central Aleppo neighborhood. A cameraman and driver working with Khashram, who was being treated in a hospital in Turkey, told CNN that shrapnel from a shell penetrated gaps in the correspondent's flak jacket in Aleppo's Salahuddin neighborhood.
U.N. observers have reported a surge in violence in Aleppo, with helicopters, tanks and artillery being used, mission head Lt. Gen. Babacar Gaye said Monday.
Regime forces launched missiles and shelled from attack helicopters, opposition activists said.
Aleppo, Syria's commercial and cultural hub, has seen a mass exodus amid the violence. About 200,000 people in and around the city have fled shelling and heavy weapon fire in the past two days, Valerie Amos, the U.N.'s under-secretary-general for humanitarian affairs, said Sunday.
There were conflicting reports Monday on who controlled the major Aleppo neighborhood of Salahuddin, which rebels had claimed days earlier. Both opposition fighters and the regime said Monday they had taken over Salahuddin.
At least 17 people were killed across Syria on Monday, including eight in Aleppo, according to the opposition Local Coordination Committees of Syria.
With no end to the country's 16-month crisis in sight, French Foreign Minister Laurent Fabius said his country will take more action to try to stop the bloodshed.
"As France is taking over the presidency of the U.N. Security Council on August 1, we are going to ask -- before the end of the week -- for a meeting of the Security Council, probably at a ministerial level ... to try and stop the massacres and prepare for the political transition," Fabius told French RTL radio on Monday.
Also on Monday, the top diplomat at the Syrian Embassy in London resigned his post, the British Foreign & Commonwealth Office said. Charge d'Affaires Khaled al-Ayoubi told British officials that he was "no longer willing to represent a regime that has committed such violent and oppressive acts against its own people," the office said in a statement.
Earlier Monday, a Syrian brigadier general -- who is also a deputy police chief of Latakia -- defected to Turkey, the Turkish Foreign Ministry said. An additional 11 Syrian officers also defected overnight, the ministry said. The total number of Syrians who have fled to Turkey has reached 43,500.
Meanwhile, fighting words continued between Syrian President Bashar al-Assad's regime and opponents near and far.
Syrian Foreign Minister Walid Moallem gave ominous words Sunday about the battle for Aleppo, vowing that rebels would not gain control of the city.
"Since last week, (opposition fighters) planned for whatever they called the 'great Damascus battle,' but they have failed after one week," Moallem said, referring to a rebel offensive beaten back earlier this month. "That's why they moved to Aleppo, and I can assure you that they will fail."
He made his comments during a trip to Iran, one of his nation's few remaining allies.
But U.S. Defense Secretary Leon Panetta predicted Sunday that the Syrian regime's violent crackdown in Aleppo will prove "a nail in Assad's coffin" by turning even more people against al-Assad and his government.
Nabil Elaraby, the head of the Arab League, said Sunday that the league believes war crimes are being committed in the city.
At least 114 people were killed across Syria on Sunday, according to the LCC; 11 of the dead were from Aleppo.
Elsewhere, 41 people were killed in Damascus and its suburbs, including 18 people whose bodies were found charred on farms in Moadamiyeh, the LCC said.
Syrian TV reported that "terrorists" suffered heavy losses after clashes in three Aleppo neighborhoods.
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