|By Tom Perry and Suleiman Al-Khalidi1/2 |By Tom Perry and Suleiman Al-Khalidi
|By Tom Perry and Suleiman Al-Khalidi2/2 |By Tom Perry and Suleiman Al-Khalidi
By Tom Perry and Suleiman Al-Khalidi
GAZIANTEP, Turkey/AMMAN (Reuters) - The opposition-held sector of Syria's divided city of Aleppo has been cut off from the outside world in recent days by an escalation of air and artillery strikes on the only road in, putting hundreds of thousands of people under effective siege.
A government campaign to fully capture Aleppo would most likely bury what little hope remains of reviving a diplomatic effort to end the five-year-old civil war, after talks and a ceasefire sponsored by the United States and Russia fell apart earlier this year.
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Aleppo, Syria's largest city before the war when it had more than 2 million people, has been divided for years into rebel and government sectors, and capturing all of it has been one of President Bashar al-Assad's biggest goals.
An estimated 350,000 people are still thought to live in the rebel sector, in harsh conditions made worse by the latest attempt to besiege them by cutting off the last remaining route out, the Castello Road, named for Aleppo's old castle.
"The regime was not able to cut the road by land, so it has decided to keep the planes in the sky continuously, hitting everything that passes, regardless of what it is," said Zakaria Malahifji, senior official in the Aleppo rebel group Fastaqim.
"Whoever wants to go on the Castello road is undertaking a suicide mission," he said. "It's been this way for 10 or 12 days. The situation was difficult before - it was targeted and people were crossing with difficulty - but now it is almost cut, nobody dares to use it," he said, speaking at his group's office in the Turkish city of Gaziantep near the Syrian border.
The international focus in Syria in recent weeks has partly turned toward the conflict with Islamic State fighters, as both the government and its enemies have made gains at the expense of the ultra-hardline Islamist militants on several fronts.
But the separate hope of foreign powers -- that the wider civil war could also be resolved -- has broken down, with Aleppo potentially the biggest battlefield of all. Hundreds of people have been killed there since peace talks broke off.
Assad vowed in a speech last week to recapture "every inch" of Syria. Aleppo, he said, would be a "graveyard" for the ambitions of his regional foe, Turkish President Tayyip Erdogan, who has backed rebel groups.
A pro-Damascus source, who spoke on condition of anonymity, said the reference was a signal of his intentions: "Why this threat? Because there are preparations for something big in Aleppo."
Russia had intensified air strikes in agreement with the government and its other allies to encircle rebels in the Aleppo area, including in the city itself, said the source who is familiar with the strategy.
So far, pro-government ground forces, aided by Iranian and Lebanese Shi'ite militias, have been unable to complete the encirclement of Aleppo by capturing a narrow corridor of territory through which the Castello Road passes.
The highway had long been under sniper fire, but attacks from the air and artillery sharply increased less than two weeks ago, with more planes flying and new rockets and guns moved into range.
"Castello is the road to death to Aleppo. I did not know whether I would make it to Aleppo city alive," said Mohamad Adeeb, an opposition activist who drove the road on Friday.
"I saw death with my own eyes, with corpses lying on theway and dozens of trucks and civilian carsand bodies that none of the civil defense teams were able to recover because of the intensity of the shelling of the regime and Russian warplanes."
Inside Aleppo, the new pressure on the road has driven up prices of goods, adding to the suffering of those still there.
"PREPARATIONS FOR SOMETHING BIG"
Russia said last week its air force would provide "the most active" support to prevent Aleppoand the surrounding area falling into the hands of what it called terrorists, a word Moscow and Damascus use to describe an array of Assad's enemies.
Rebels have seen Russian statements that the al Qaeda-linked Nusra Front has mounted attacks in Aleppo as a sign Moscow is looking for new pretexts to attack: while Nusra has been active south of Aleppo, the more moderate rebels say it has no presence in the city itself. The Nusra Front, like Islamic State, was excluded from the ceasefire and peace talks that were sponsored by Washington and Moscow.
The nationalist rebels fighting Assad in Aleppo are confident of their ability to repel ground attacks in which Shi'ite militias from Iran, Afghanistan, and Lebanon's Hezbollah have played a major role supporting the government.
A number of these rebel groups receive foreign military support from states opposed to Assad, funneled via Turkey. The rebels say they saw off three attacks by pro-government forces in less than a month on Handarat, also near the Castello road.
"The regime is trying to advance on the ground. It takes a point or two, then loses them," said Abu Yassine, head of the Levant Front rebel group, speaking to Reuters.
"These circumstances are not new to the fighters. They have thrown all types of bombs at them and they can cope. The negative impact is on the civilians," he said.
The Syrian Observatory for Human Rights says more than 300 people have been killed in air strikes and government bombardment of rebel-held Aleppo since April and around 250 people living in government-held areas have been killed in the same period in intensified rebel shelling.
Opposition sources saythe toll is much higher, with dozens of people currently being killed each day in eastern Aleppo, one of the bloodiest spells it has suffered in the conflict. Civil defense emergency workers operating in rebel-held areas say more than 450 people were killed there in the last month.
"It is a difficult and dangerous period we are going through. Aleppo is almost under siege," Abu Yassine said.
(Additional reporting by Laila Bassam in Beirut; writing by Tom Perry; editing by Peter Graff)