More than 1,000 civilians are injured ; many remain trapped , group says . Hezbollah in Syria is `` blatant '' violation of Lebanon 's sovereignty , White House says . Some surprised by how U.S. wants more evidence on use of sarin gas , diplomat says . Comment:
More than 1,000 civilians are injured ; many remain trapped , group says . Hezbollah in Syria is `` blatant '' violation of Lebanon 's sovereignty , White House says . Some surprised by how U.S. wants more evidence on use of sarin gas , diplomat says . Rockets fall on Alawite communities in Homs .