At least 170 people were killed in Syria Tuesday , an opposition group says . Former Syrian Prime Minister Riyad Hijab arrives in Damascus , says a source . U.S. secretary of state ' ` ` ' '' and terror wo n't be tolerated . State TV said special forces engaged terrorist groups in Aleppo and caused big losses to them , including casualties and injuries . Fighting rages in Aleppo and in Damascus and its suburbs .
At least 170 people were killed in Syria Tuesday , an opposition group says . Former Syrian Prime Minister Riyad Hijab arrives in Damascus , says a source . U.S. secretary of state ' ` ` ' '' and terror wo n't be tolerated . Fighting rages in Aleppo and in Damascus and its suburbs .