A Sunni Islamist group claimed responsibility for a suicide bombing in Beirut . The group , Thursday , claims it 's the ` ` first small payment '' in a bigger push against Hezbollah . Thursday 's car bomb detonated in a Beirut suburb known as a Shia stronghold . Lebanon has seen a surge in violence as tensions are exacerbated by Lebanon 's civil war .
A Sunni Islamist group claims responsibility for a suicide bombing in Beirut . The group , ISIS , says it 's the `` first small payment '' in a bigger push against Hezbollah . Thursday 's car bomb detonated in a Beirut suburb known as a Hezbollah stronghold . Lebanon has seen a surge in violence as tensions are exacerbated by Syria 's civil war .