SARAQIB, Syria — The workers arrive by darkness, taking their stations at the vise and the lathe. Soon metal filings and sparks fly, and the stack of their creations grows at their feet: makeshift mortar shells to be fired through barrels salvaged from disabled Syrian Army tanks....

US warns of conflict spreading beyond national borders after Sunni group boasts of new firepower online Sunni jihadist groups in northern  Syria   have secured a large supply of the type of anti-aircraft missiles that the Obama administration has urgently tried to keep away...

  Washington’s decision to arm Syria’s Sunni Muslim rebels has plunged America into the great Sunni-Shia conflict of the Islamic Middle East, entering a struggle that now dwarfs the Arab revolutions which overthrew dictatorships across the region. For the...

As a group of rebels gathered in an apartment in Aleppo, Syria’s largest city, debating the value of the United States’ decision to provide them with weapons, government forces nearby began pounding an opposition-held neighborhood. The opposing events led the group to focus...