Israeli forces killed four aid seekers traveling on Sunday through a military zone south of Gaza City — an area regularly used by Palestinians trying to reach a food distribution point, a hospital and witnesses said.

Over half a million people across Gaza are facing "catastrophic" conditions characterised by "starvation, destitution and death", the IPC says.

Israeli planes and tanks pounded the eastern and northern outskirts of Gaza City overnight Saturday to Sunday, destroying buildings and homes, residents said, as Israeli leaders vowed to press on with a planned offensive on the city.