Explosions and gunfire continued around Aleppo as the town of Kurfa was said to be taken under control by Islamic State according to video posted to social media websites on Wednesday and Thursday.
In one startling clip posted Wednesday by Syrian activists and highlighted by YouTube Newswire, several children are among the wounded being treated in a medical facility.
"Local Syrian activists reported deadly airstrikes on Andan town in north Aleppo province on Wednesday," YouTube Newswire stated. "The activists said that Russian military jets launched 'aggressive' raids on the town, killing one child and injuring 'many civilians'. The video shows dramatic scenes of children being treated in the wake of the strike. It is unconfirmed who carried out the strikes."
YouTube Newswire is curated by journalists at Storyful who say each video "goes through an extensive verification process."
Note: This video is intense and contains images of blood.
In other clips posted online, fighters said to be with the Free Syrian Army exchanged gunfire with fighters said to be with Islamic State in Kufra.
In another, several explosions could be heard which were said to be targeting barracks of fighters loyal to President Bashar al-Assad in Aleppo.
France has called for solidarity from Europe's other main military power in expanding military action, and Cameron argued that refusing would be a dereliction of responsibility.
British lawmakers voted on Wednesday to join the U.S.-led campaign of bombing Islamic State targets in Syria.
Most of the world's powers are now flying combat missions over Iraq and Syria against Islamic State.
But any consensus on how to proceed has been thwarted by opposing policies over the four-year-old civil war in Syria, which has killed 250,000 people, driven 11 million from their homes, left swathes of territory in the hands of jihadist fighters and defied all diplomatic efforts at a solution.
Recent bombings cut water supplies to Aleppo
An air strike on a water treatment plant in Syria last Thursday cut water supplies for 3.5 million people and while pumping has been partly restored, 1.4 million still have reduced supply, the United Nations said on Tuesday.
"In Syria, the rules of war, including those meant to protect vital civilian infrastructure, continue to be broken on a daily basis," UNICEF's representative in Syria, Hanaa Singer, said in a statement. "The air-strike which reportedly hit al-Khafseh water treatment plant in the northern city of Aleppolast Thursday is a particularly alarming example."
Singer did not say who was responsible for the air strike.
The Syrian state news agency SANA reported that the U.S.-led coalition had bombed the water plant, while the Syrian Network for Human Rights blamed Syrian government warplanes. Neither gave any evidence for their assertions.
A daily report by the U.S. military for last Thursday did not mention any air strikes within Syria.
Residents and rebels say warplanes believed to be Russian have stepped up raids on residential areas in several rebel-held cities close to the Turkish border, including several in western Aleppo governorate.
Aleppo city is divided between a government-controlled west and rebel-held east, and both sides have been able to deprive the other of water, which the United Nations and Red Cross say amounts to using it as a "weapon of war" against civilians.
The water supply is particularly vulnerable because at various stages of its journey it passes through areas controlled by Islamic State militants, rival insurgent forces and the Syrian government.
In a separate incident, the medical charity Medecins Sans Frontieres (MSF) said seven people died and 47 were wounded when helicopters dropped four barrel bombs on the rebel-held town of Al Zafarana, northeast of the city of Homs, on Saturday.
It said the attack was a "double tap," when an initial strike is followed by a second, deliberately timed to hit paramedics and hospital personnel. The first bomb struck a populated area of the town and the next three landed next to the MSF-supported hospital where the casualties were taken, partially destroying the complex.
Syrian President Bashar al-Assad has denied that his forces use barrel bombs. Their use has been widely documented by monitors of the Syrian conflict.
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