] Afghanistan's historic presidential election closed on
] Saturday without any of the feared large-scale violence,
] but the vote was thrown into turmoil when most candidates
] said a flawed process made the poll invalid.
]
] All 15 of President Hamid Karzai's rivals said they were
] withdrawing from the election because systems to prevent
] illegal multiple voting had gone awry. The move
] effectively left Karzai as the only candidate in the
] fray.