Air raids on two rebel-held districts of Syria’s battleground second city Aleppo today killed 19 civilians.The Syrian Observatory for Human Rights said the strikes were carried out by either Russian or regime aircraft in Tariq al-Bab and Al-Sakhur neighbourhoods.

According to an AFP reportrs there were heavy air strikes throughout Monday night and into the day today on both those districts.

The Britain-based Observatory also said that 12 rebels were killed in Russian air strikes Tuesday targeting a convoy
of anti-regime fighters on the city’s southern outskirts.

More that 290,000 people have been killed since Syria’s conflict erupted in March 2011 with anti-government protests that morphed into a brutal multi-front war.