NEW : 83 killed in clashes Friday , the group says . We have no other red lines from this . President al - Assad blames ` ` foreign powers '' for civil war . Syrian president says he will not give up . Syria 's civil war has claimed some 800 lives .
NEW : 83 killed in clashes Friday , the group says . President al - Assad blames ` ` foreign powers '' for civil war . Syrian president says he will not give up . Syria 's civil war has claimed some 800 lives .