DUBAI -- Saudi Arabia, a powerful supporter of the Syrian rebels, called on Saturday for an immediate end to what it said were war crimes being committed by forces loyal to President Bashar al-Assad as they retake rebel-held parts of Aleppo.
"It is by far the worst humanitarian tragedy of the beginning of the 21st century unfolding before the international community's eyes," state news agency SPA quoted a foreign ministry official as saying.
"The horrific massacres perpetrated in Aleppo ... have amounted to war crimes against humanity," the official said.