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.

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".

By Olivia Le Poidevin and Nidal al-Mughrabi GAZA CITY/GENEVA/CAIRO (Reuters) -The hunger crisis in Gaza is at a tipping point, with critically low supplies of fortified milk and special nutritious pastes exacerbating food shortages and pushing greater numbers of children into starvation,

The head of the U.N. Palestinian refugee agency on Thursday voiced concern that children suffering from malnutrition in Gaza will die if emergency provisions are not immediately put in place during Israel's Gaza City military operation.

An Israeli military spokesman says troops will deepen the damage to the "terror infrastructure" held by Hamas.