****CONTAINS AMATEUR VIDEO WHICH REUTERS CANNOT INDEPENDENTLY VERIFY*****
Syrian unrest which has spilled over into Iraq now threatens the Israeli-occupied Golan Heights on Israel's northern frontier.
Al Qaeda offshoot group, al Nusra Front has reportedly seized control of the border crossing into Israel from Syrian government troops.
But during the fight, a misfired mortar struck and wounded an Israeli soldier.
UN observers could be seen patrolling the Golan Heights on Wednesday as Israel returned fire, attacking two Syrian military locations.
These weren't the only bases where President Bashar al Assad's forces were attacked.
In Tabqa, to the east, fighters from Islamic State claimed they had taken over another installation.
The militants posed on top of jets and showed off weapons and ammunition they say they seized from the army.
The also reportedly executed their Syrian army prisoners.
Tabqa has been the army's last foothold in
