Geneva, January 11: The United Nations said Tuesday it needed $5 billion in aid for Afghanistan in 2022 to avert a humanitarian catastrophe and offer the ravaged country a future after 40 years of suffering. In its biggest-ever single-country appeal, the UN said $4.4 billion (3.9 billion euros) was needed within Afghanistan, while a further $623 million was required to support the millions of Afghans sheltering beyond its borders. The UN said 22 million people inside Afghanistan and a further 5.7 million displaced Afghans in five neighbouring countries needed vital...