NEW : The European Union slapped sanctions on 13 top Syrian officials , including President Bashar al-Assad 's brother , for `` violence against demonstrators , '' it announced Tuesday . Syrian official thinks `` the most dangerous moment '' has passed . NEW : 2,684 `` rioters '' surrendered and were released , state-run media says . 13 top officials ' assets are frozen , and they 're subject to a travel and arms ban . *
NEW : Syrian official thinks `` the most dangerous moment '' has passed . NEW : 2,684 `` rioters '' surrendered and were released , state-run media says . 13 top officials ' assets are frozen , and they 're subject to a travel and arms ban . *