Opposition groups release the bombing figures . A Damascus blast injured at least three people . U.S. Secretary of State Hillary Clinton will attend a meeting on Friday , an official says . Red Cross says its teams ca n't rescue civilians trapped in Homs .
Opposition groups release Thursday casualty figures . A Damascus blast injured at least three people . U.S. Secretary of State Hillary Clinton will attend a meeting on Syria , an official says . Red Cross says its teams ca n't reach civilians trapped in Homs .