ZAGREB, Jan 6 (Hina) - A major Northern Irish paramilitary organisation has dumped all its weapons in front of independent witnesses, completing the disarming of main militant groups but still leaving dangerous dissident factions active. The Ulster Defence Association (UDA), a 'loyalist' group which wants Northern Ireland to remain part of the United Kingdom, declared last June that its armed struggle was over and on Wednesday said it had got rid of all its weapons.