NEW : At least 121 dead across Syria , opposition says . At least 121 people died in the 19-month-old conflict on Wednesday , opposition activists reported . Rebels target military headquarters in Aleppo . Score: 7 Deaths mount across Syria on Wednesday , opposition says .
NEW : At least 121 dead across Syria , opposition says . Rebels target military headquarters in Aleppo . Score: 7 Deaths mount across Syria on Wednesday , opposition says .