Syrian Al-Qaeda Offshoot Al-Nusra Vows Retaliation Against US Airstrikes

The al-Qaeda-linked group in Syria, al-Nusra Front, has vowed to retaliate against the US airstrikes, which have also targeted their positions alongside key Islamic State group, or ISIS, installations. This is the first reaction from al-Nusra, which has been waging a deadly battle against President Bashar al-Assad in the conflict zone in Syria.