Syria Crisis: Thousands flee Aleppo battle
Some 200,000 people have fled intense fighting in Syria's second city Aleppo in the past two days, the UN has said.
UN humanitarian chief Baroness Valerie Amos said others were trapped in the city and needed urgent help.
Government forces launched a ground assault on Saturday after a week of sporadic shelling and sorties by fighter jets.
Jim Muir reports.