U.S. officials say Israel has launched an airstrike into Syria, apparently targeting a suspected weapons site.
Kerry will meet with Russian President Vladimir Putin and Foreign Minister Sergey Lavrov.
President Barack Obama says the United States doesn't know how or when chemical weapons were used in Syria or who used them.
A powerful bomb rocked central Damascus on Tuesday, killing 13 people according to Syrian TV, and sowing fear and chaos in a busy commercial…
The Obama administration says U.S. intelligence has a "varying" amount of confidence that Syria's government has twice used chemical weapons…