Famine was officially declared Friday in part of northern Gaza, including Gaza City, by the world's leading authority on hunger as Israel vowed to destroy the area if Hamas doesn't agree to its terms.

Meanwhile Israel's defence minister threatens that "the gates of hell" would be opening unless Hamas agrees to disarm and release all hostages.

A Planet Labs satellite photo taken on Aug. 16 shows a new military presence on the eastern edge of Gaza City, two experts told ABC News.

Famine is officially declared in the governorate that includes Gaza City. No additional detainees will be allowed in “Alligator Alcatraz” after a judge’s ruling. And Serena Williams opens up about her decision to take a GLP-1 medication after struggling to lose weight with diet and exercise.

Gaza's Hamas-run health ministry says it rejects "any step that would undermine what remains of the health system".