48 people were killed in U.S. Tuesday , an opposition group says . Former Islamist Prime Minister Daraa arrives in Jordan , says a source . U.S. secretary of state says `` proxies '' and terror wo n't be tolerated . Foreign Minister Ali Akbar Salehi , in a letter to U.N. Secretary-General Ban Ki-moon asking for help in freeing the people , also has expressed concern about media reports that three of the people were killed by rebels and hostage-takers have threatened to kill others . Fighting rages in Damascus and in Damascus and its suburbs .
48 people were killed in U.S. Tuesday , an opposition group says . Former Islamist Prime Minister Daraa arrives in Jordan , says a source . U.S. secretary of state says `` proxies '' and terror wo n't be tolerated . Fighting rages in Damascus and in Damascus and its suburbs .