The Pentagon chief has said the Syrian army’s actions in the commercial hub of Aleppo will ultimately be ‘a nail in Assad’s coffin’. Leon Panetta was speaking en route to Tunisia as he begins a tour across the Middle East and North Africa. The Syrian city has been the scene of fierce fighting for over a week since rebels moved in from the outskirts, forcing civilians to flee. The conflict continues to claim lives – with more youngsters becoming directly involved in the fighting.