<sod >Speaking at an emergency United Nations meeting on Sunday called to discuss President Bashar al-Assad's escalating military offensive, Francois Delattre said that war crimes are indeed being committed in the northern city, where 250,000 people live under siege conditions.< eod>< sod > Speaking at an emergency United Nations meeting on Sunday called to discuss President Bashar al-Assad's escalating military offensive, Francois Delattre said that the Syrian government is targeting civilians in the northern city, where 250,000 people live under siege conditions.< eod>