Syrian Rebels Take Out Army Helicopter

First time Assad's opposition has shot down a helicopter with ground-to-air missiles

Syrian rebels have said they downed an army helicopter with a ground-to-air missile for the first time as it wasbombarding a besieged base in the country's northwest.

The downing came at the strategic Sheikh Suleiman base, 25km west of Aleppo, the last garrison in government hands between Syria's second city and the Turkish border.