Osama bin Laden

Al Qaeda-founded rebel group's growth underscores U.S. challenges in Syria

Al Qaeda-founded rebel group's growth underscores U.S. challenges in Syria

As Islamic State has lost fighters and territory over the last year, an Al Qaeda-founded militant group in Syria has grown in strength, establishing a reputation as the most ferocious fighting force against Bashar Assad’s government. 

The militant group formerly known as Al Nusra Front has expanded, in part, because its fighters also oppose Islamic State on the battlefield and are rarely targeted in airstrikes by U.S. and coalition aircraft, American officials say.

In recent weeks, U.S. intelligence has detected signs that Al Qaeda operatives in Syria are plotting attacks against the West, raising concerns that the hard-line Islamist group has escaped...

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