Syria Update 13-01: Iraq-Syria Overland Supply Routes
March 8, 2013 - Joseph Holliday![](https://understandingwar.org/sites/default/files/styles/thumb-wide/public/FINAL%20SYRIA%20MAP_0.jpg?itok=_AnR23qC)
Sunni insurgents ambushed a convoy of Iraqi and Syrian troops inside Iraq on March 4, 2013, marking the clearest example of spillover from the Syrian conflict into Iraq since the beginning of the Syrian uprising in early 2011.