Syrian army advances in rebel-held north

Some opposition fighters say infighting among armed groups to blame for recent government advances near Aleppo.

Syrian government forces have opened a new front near Aleppo. The army is trying to break a rebel siege after making rare advances in the country’s mostly rebel-held north. Some rebel commanders are blaming the growing rifts in their ranks for the army’s successes.

Al Jazeera’s Zeina Khodr reports from Beirut in neighbouring Lebanon.