At least 50 people are killed there , an opposition group says . 13 ` ` martyrs '' are buried there , Syria said . A draft report says that shipments of weapons bound for Syria have been intercepted . U.S. government officials say it is helping supply arms to rebels .
At least 20 people are killed Thursday , an opposition group says . 13 `` martyrs '' are buried Thursday , Syria said . A draft report says two shipments of weapons bound for Syria have been seized . U.S. government denies report it is helping supply arms to rebels .