NEW : 5 rebels killed along frontline in Dafniya , hospital officials say . `` China 's major task is to promote peace and encourage talks , '' Hong said . Human Rights Watch reports landmines in the Nafusa Mountains . The Syrian government has been accused of using chemical weapons against its own people and is now bombing rebel areas with barrel bombs that are banned by international law. U.S. senators introduce a resolution for limited U.S. involvement .
NEW : 5 rebels killed along frontline in Dafniya , hospital officials say . Human Rights Watch reports landmines in the Nafusa Mountains . The Syrian government has been accused of using chemical weapons against its own people and is now bombing rebel areas with barrel bombs that are banned by international law. U.S. senators introduce a resolution for limited U.S. involvement .