UNITED NATIONS - Pakistan UN Ambassador Abdullah Hussain Haroon and Rajmo-han Gandhi, grandson of Indian leader MK Gandhi, will make a joint appeal to the international community on Friday to help millions of flood-affected Pakistani people, it was announced Thursday. The appeal will be made at UN Headquarters in New York at a press conference being held to the sensitise the international community/ media about the gravity of the situation in Pakistan, a press release of Pakistan Mission to the United Nations said.