The secretary-general of the United Nations on Sunday called on countries to continue funding the main agency providing aid in Gaza after several of its employees were accused of taking part in the Hamas attack on Israel that ignited the war four months ago. Antonio Guterres warned that the UN agency for Palestinian refugees, UNRWA, would be forced to scale back aid to more than 2 million Palestinians as soon as February. The coastal enclave is in the grip of a severe humanitarian crisis, with a quarter of the population facing starvation. “The abhorrent alleged acts of these staff members mus…