article_snippet: The images emerged as the Syrian air force has carried out a chlorine gas attack on a northern town, killing six people, according to activists, as Amnesty International said separate government air strikes on the Islamic State 'capital' could amount to war crimes.
article_snippet: The Britain-based Syrian Observatory for Human Rights and the Local Co-ordination Committees said gas attacks on the town of Samrin injured dozens more people.
article_snippet: An opposition official in the area of this morning's chlorine gas release said there were two attacks - the first targeting rebels while the second hit a residential area. 
article_snippet: Earlier, Amnesty International said air strikes on the ISIS stronghold of Raqqa on November 25 killed dozens of civilians.
article_snippet: The human rights group said The human rights group had documented a series of Syrian government air strikes between November 11 and November 29 that killed up to 115 civilians - including 14 children -  in the city.
article_snippet: Amnesty International said the 'unlawful' killings violated international humanitarian law and some of two attacks - the first targeting rebels could amount to war crimes.
article_snippet: The human rights group said the air strikes included attacks on a mosque and a busy market 'crammed full of civilians' as well as some buildings not being used for military purposes.
article_snippet: Philip Luther, director of Amnesty's Middle East and North Africa programme, said: 'Syrian government forces have shown flagrant disregard for the rules of war in the air strikes.
article_snippet: Some of these attacks give every indication of being war crimes. '
article_snippet: Some of these attacks have carried out repeated attacks on civilian areas without clearly identifying military targets, a blatant violation of the requirement to distinguish between civilians and military targets.'
article_snippet: Syrian authorities said at the time that the attacks were meant to target IS members and bases, but Amnesty said the evidence the attacks gathered shows that, in most cases, no military targets could be identified.
article_snippet: On November 25, Syrian government forces bombed a number of civilian areas, striking a mosque, a busy market, shops, a transport hub, a storage facility and a residential building, Amnesty said.