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.

This weekend, Hamas released a haunting video of 24-year-old Evyatar David, an Israeli hostage abducted from the Nova Music Festival during the Oct. 7 attacks. In the video, David appears so emaciated and pale that his father said he didn’t recognize him.

Freed hostages have recounted the terror of languishing in a Hamas tunnel while the blasts from Israeli air strikes move ever closer.

Israeli Prime Minister Benjamin Netanyahu held security discussions Tuesday where his staff presented options for continuing Israel's campaign in Gaza, according to the prime minister's office. CBS News foreign correspondent Chris Livesay has more.

After nearly two years of war, the public rhetoric has suddenly shifted. Will it lead to real changes on the ground?