NEW : Obama commits over $ 800,000 in assistance , supplies . Ru , an independent news agency . Red Cross condemns violence . Refugees desperate for food , top Turkish official says . U.N. Security Council official describes situation as `` humanitarian catastrophe ''
NEW : Obama commits over $ 800,000 in assistance , supplies . Red Cross condemns violence . Refugees desperate for food , top Turkish official says . U.N. Security Council official describes situation as `` humanitarian catastrophe ''