Timeline of violent events relating to the Syrian Civil War spillover in Lebanon (2011–14) CIA were passed onto Lebanese security officials. On 15 August 2013, a car bomb exploded in Beirut, Lebanon killing twenty seven people and injuring over two-hundred people. The Islamist group Aisha Umm-al Mouemeneen, also known as Brigades of Aisha, were responsible for the explosion. The car bomb was intended for the stronghold of Hezbollah. On 23 August 2013, twin bombings in Tripoli, Lebanon caused extensive damage with some 47 people killed and more than 500 wounded according to Lebanon's state-run National News Agency. On 14 November 2013, two Syrian Army helicopters crossed the border into Lebanon and fired a total
Syrians in Lebanon them in a passive dissent to their immigration. Border crossing restrictions were issued for Syrians crossing into Lebanon, this only lead to the movement of asylum seekers shifting to illegal smuggling. According to the UNHCR, there were over 1 million Syrian refugees who had been registered in Lebanon in 2016. Nevertheless, this figure is likely largely underestimated since the UNHCR has stopped registering new Syrian refugees since May 2015 and it doesn't include individuals awaiting registration. Hence, precise figures of the number of Syrian people in Lebanon don't exist currently. Recent estimates were as high as 1,500,000 people. As of