The explosions rumbled across Baghdad and other cities after Sunni insurgents vowed to wreck voting for Iraq's second full-term parliament since the 2003 US invasion, a vote watched closely by global oil companies planning to invest billions to develop the country's dilapidated oilfields. Turnout among the 19 million eligible voters was not clear.
It could take three days to get results in an election that will prove vital to US President Barack Obama's plan to halve US troop levels by August and withdraw completely by end-2011. "I have great respect for the millions of Iraqis who refused to be deterred by acts of violence, and who exercised their right to vote today," Obama said in a statement. "Their participation demonstrates that the Iraqi people have chosen to shape their future through the political process."
Authorities said dozens of mortar and rocket attacks rattled Baghdad during the early hours of polling before ebbing later in the day. In the deadliest incident, 25 people were killed when an explosion blew up a three-storey Baghdad apartment block. Rescuers pulled bodies from the rubble as a woman buried under debris screamed to be saved.
"It is terrible that lives have been lost but it doesn't change the course of the Iraqis," said Ad Melkert, the UN special representative to Iraq. "There will be issues, but they are serious elections and many Iraqis have participated with great conviction."
Iraq's Independent High Electoral Commission said only two polling stations had to be closed briefly for security reasons. The Islamic State of Iraq, an al Qaeda affiliate, had warned Iraqis not to vote and vowed to attack those who defied them.
The 96,000 US troops still in Iraq stayed in the background, underscoring the waning American role in Iraq, but US helicopter gunships provided aerial support. Voters in the ethnically and religiously divided country were given a choice between Shia parties that have dominated Iraq since Saddam Hussein's fall and secular rivals. Prime Minister Nuri al-Maliki, a Shia, urged all parties to accept the results and called the attacks a disgrace. "They (militants) cannot see democracy and freedom," he said. "All their challenges have failed and the population will win."
One of Maliki's opponents, ex-Prime Minister Iyad Allawi, had already complained of irregularities in early voting and on election night criticised the electoral commission (IHEC) for "wide and severe confusion" at voting centres.