Almost as many buildings have been destroyed or damaged in Gaza as in all of Ukraine after its first two years of war with Russia, according to Corey Scher and Jamon Van Den Hoek, U.S.-based researchers who use satellite radar to document the wars' devastation.

The Israeli military said Sunday its forces surrounded the Jabaliya area of northern Gaza in response to indications that Hamas was rebuilding despite nearly a year of strikes and fighting.It cited intelligence suggesting the "presence of terrorists and terror infrastructure in the area of

Even after the fighting stops, hundreds of thousands of people could be stuck living in squalid tent camps for years.