ISTANBUL   Nearly one million displaced Palestinians in war-torn Gaza are at risk of extreme cold and rain this winter, the UN agency for Palestine refugees (UNRWA) warned on Sunday. "Displaced people in Gaza need protection from the rain and cold. Only around 23% of this need has been met, leaving 945,000 people at risk of exposure this winter,” the UN agency said in a statement. “Aid is urgently required to address the overwhelming needs as the crisis deepens.” UNRWA said that Palestinian