Has the Syrian government, having used SCUD missiles, air strikes and just about everything else, now deployed chemical weapons in its fight against opposition forces? Or do rebels now have chemical weapons as part of their arsenal? Was an "attack" that, according to some, killed 25 people in Aleppo today, an accident of some kind?

SANA, the government-run news agency, was clear about where to lay blame. It posted pictures of men, women and children on hospital beds and says 25 people were killed and 86 injured in Khan al Asil, a government-controlled area (map here – thanks to @brown_moses). Syrian state media blamed "terrorists" – the regime's catchall phrase for the forces opposing it on the battlefield – and were able to broadcast footage from the scene because it took place in a government-controlled area. By some accounts this adds to the argument that opponents of Damascus were to blame.

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