Soon after arriving at a Gaza City hospital, Texas surgeon Mohammed Adeel Khaleel examined a 17-year-old with gunshot wounds sustained when he went to an aid site.

Representative Greene has grown increasingly vocal about the humanitarian crisis in Gaza as famine spreads in the enclave.

The drums of war are pounding on the doorstep of Gaza City. Residents of the largest city in northern Gaza, packed with locals and refugees, fear the hours are ticking down before a looming Israeli offensive.

Israel says "there is no famine in Gaza" after the IPC reports more than 500,000 people in the Strip are facing "starvation, destitution and death".

Turkish First Lady Emine Erdogan has written to U.S. President Donald Trump's wife, Melania Trump, and urged her to contact Israel's prime minister and raise the plight of children in Gaza, authorities in Ankara said on Saturday.

"An entire population is being pushed into starvation, destitution, and death,” said Belgium's Deputy Prime Minister.

Israeli Defense Minister Israel Katz warned that Gaza city could "turn into Rafah and Beit Hanoun" unless Hamas agrees to Israel's terms.

A UN-backed body confirms famine in Gaza City and surrounding areas, and says half a million are facing "catastrophic" conditions.