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Syria conflict: Aid convoy attack was air strike, UN expert says

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  • Syrian civil war
image copyrightAFP
image captionThe UN's secretary general denounced the attack as "savage and apparently deliberate"

Analysis of satellite imagery taken after a deadly attack on an aid convoy in northern Syria last month shows that it was an air strike, a UN expert says.

At least 18 people were killed when lorries unloading at a Syrian Arab Red Crescent warehouse in a rebel-held town outside Aleppo came under fire.

The US believes Russian warplanes bombed the convoy. Russia, which backs Syria's government, denies the charge.

UN officials have said the incident could constitute a war crime.

Secretary General Ban Ki-moon has established an internal board of inquiry to investigate the attack, which he has denounced as "sickening, savage and apparently deliberate".

The attack came days after a US-led coalition strike in the eastern city of Deir al-Zour, which killed at least 62 Syrian government soldiers.

media captionA member of the Syria Civil Defence, also known as the White Helmets, describes the aftermath of the attack on an aid convoy in Urum al-Kubra

A week-long ceasefire brokered by Russia and the US collapsed soon after the two attacks, and the Syrian army, backed by Russia, launched a fresh offensive on eastern Aleppo where 275,000 people are currently trapped.

The intensity of the bombing has since increased with air strikes - some allegedly involving bunker-busting, incendiary and cluster munitions - killing at least 420 people and injuring more than 1,000 others.

The area was officially declared a "besieged area" on Wednesday, the spokesman for the UN's humanitarian agency OCHA told the AFP news agency.

It met the UN's three criteria of military encirclement, lack of humanitarian access and no freedom of movement for civilians, Jens Laerke said.

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Earlier this week, the US ended its negotiations with Russia over Syria with the US state department accusing Moscow of having "failed to live up" to its commitments under the recent truce deal.

The UN says that on the evening of 19 September, 31 lorries delivering life-saving aid to a SARC warehouse in Urum al-Kubra came under fire.

The head of the SARC in the town was among those killed, while 18 of the lorries were totally destroyed. The warehouse and a nearby medical clinic were also severely damaged.

Crater size

UN officials have so far referred to the incident only as an "attack" and not accused any of the warring parties of responsibility.

But on Wednesday, Lars Bromley, research adviser at the UN Operational Satellite Applications Programme (Unosat), told a news briefing in Geneva: "With our analysis we determined it was an air strike and I think multiple other sources have said that as well."

"For air strikes, what you are usually looking at is the size of the crater that is visible, and the type of crater," he added.

"Basically air-dropped munitions are often much larger than anything you would fire from the ground."

image copyrightReuters
image captionPictures of the scene appeared to show at least one crater in the floor of the aid warehouse

But another Unosat official, Einar Bjorgo, who also attended the press conference, later toned down the language in an interview with Reuters, saying the agency was not 100% certain.

"There is significant damage, and we believe it may be air strikes, but it's not conclusive."

The chairman of the US military's Joint Chiefs of Staff, Gen Joseph Dunford, told a Senate Committee three days after the attack that two Russian warplanes had been in that area at the time, along with some "some other aircraft" belonging to the Syrian government.

"There's no doubt in my mind that the Russians are responsible. I just don't know whose aircraft actually dropped the bomb," he said, calling the incident "an unacceptable atrocity".

Russia's defence ministry, which has vigorously denied the charge, initially said videos of the aftermath of the attack did not show any evidence that the convoy had been struck by air-dropped ordnance.

But it subsequently said a US Predator drone had been flying above Urum al-Kubra at the time of the attack - an allegation the US military quickly dismissed.

media captionChildren in Aleppo face death from Syrian and Russian bombing

Unosat also released satellite images that Mr Bromley said showed "an awful lot of new damage" to rebel-held areas of the city of Aleppo, on which government forces launched an all-out assault after a truce brokered by the US and Russia collapsed two weeks ago.

"The areas that are being bombed have been bombed almost continuously for quite some time. So seeing dramatic images of formerly pristine areas now turned to rubble - you don't see a lot of that," Mr Bromley said.

image copyrightUNITAR-UNOSAT via AP
image captionSatellite images show some of the destruction in eastern Aleppo in recent weeks
image copyrightUNITAR-UNOSAT via AP
image captionRoad damage and craters in the al-Shaar district of Aleppo on the same day - Unosat officials says air strikes usually leave crater-sized holes
image copyrightUNITAR-UNOSAT via AP
image captionMany homes were also destroyed - this image shows Aleppo's Ayn al-Tal district

In a separate development on Wednesday, French Foreign Minister Jean-Marc Ayrault announced he would be travelling to Moscow and Washington on Thursday and Friday to push for a new UN resolution imposing a ceasefire in Syria.

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