The military has razed homes, farmland and infrastructure around Gaza's border to the point of uninhabitability, potentially leading to long-term control.
A video on the phone of one of 15 Palestinian medics killed by Israeli forces in Gaza shows that their emergency vehicles had their lights and sirens flashing when they came under a barrage of gunfire from troops.
The S&P 500 was down 3.8% in midday trading, after earlier dropping more than 5%, following its worst day since COVID wrecked the global economy in 2020.
Israel's defense minister said expanding operations will "crush and clean the area" of militants, despite children making up many of the strikes' victims.
The past month's total blockade has forced the World Food Program to prioritize giving its dwindling stock to starving Palestinians who need emergency food aid.