If the US decides to take military action against President Bashar Assad's regime, al-Qaeda is expected to be one of the targets. So far the Obama administration has not said that any of the groups will be targeted.<br /><br />However, their presence worries some in the US Congress who believe that groups like al-Qaeda might be in a position to take advantage of any US-led military action. Al Jazeera's Zeina Khodr reports from Beirut.
