Advertisement Chaotic scenes as people tried to put out fires and help the wounded At least 27 people have been killed by a car bomb at a market in the northern Iraqi city of Kirkuk, officials say.The attack in the Shurja district came as Iraqis celebrated the withdrawal of US troops from towns and cities in Iraq, six years after the invasion. US President Barack Obama said the move was an important milestone for Iraq, but that "difficult days" lay ahead. The Kirkuk blast came 10 days after a truck bomb killed more than 70 in the city's deadliest attack in over a year. Iraqi and US troops have been on alert for attacks during the pullback, which was declared a national holiday. Police Brig Gen Sarhat Qadir told the Associated Press news agency that at least 40 people had been wounded in the latest blast, caused by an explosives-laden vehicle parked near the crowded outdoor Shurja market. Volatile mixA teeming maze of shops and stalls, Shurja is one of the country's best-known markets, attracting buyers and sellers from all over Iraq, say correspondents.[Read more...]