UN chief Antonio Guterres has said he is “shocked by the horrific levels of death, injury and destruction” in northern Gaza, where Israel has launched a new attack it says aims to deter Hamas. is regenerated.

A statement from the secretary-general’s spokesman said Israeli authorities were denying “repeated efforts” to deliver “essential” humanitarian supplies.

Guterres warns that “the widespread devastation and deprivation” as a result of Israel’s offensive “is making the living conditions of the Palestinian population there unsustainable,” according to the statement.

“This conflict continues to be fought without taking into account the demands of international humanitarian law,” he continued.

All parties must “respect and protect civilians” and ensure humanitarian efforts are not hindered, Guterres said.