 Complete the following phrase:  The second of two battles in al-Qusayr started on 19 May 2013, as part of the larger al-Qusayr offensive, launched in early April 2013 by the Syrian Army and the Lebanese militia Hezbollah, during the Syrian civil war, with the aim of capturing the villages around the rebel-held town of al-Qusayr and ultimately launching an attack on the town itself. The region was strategically important as a supply route for 