What I’m doing now is digging my own grave,” says Evyatar David, as his fragile figure, weak with hunger, scrapes at the dirt with a shovel in a cramped Gaza tunnel.

The videos released late last week by militant groups Hamas and Palestinian Islamic Jihad show two skeletal hostages pleading for their lives.

Israel's Prime Minister Benjamin Netanyahu said on Sunday (August 3) that he was "deeply shocked" as he watched the "horrifying" videos released by Hamas of Israeli hostages Evyatar David and Rom Braslavski that showed both of them in deteriorating physical and mental conditions.