BAGHDAD - A suicide car bomber struck a popular market in IraqÂ’s Diyala province on Tuesday, killing six people and wounding 20, police said. The bomber struck in the town of Jalawla, 110 km (70 miles) north of Baghdad in the Diyala River valley, an ethnically and religiously mixed area that has seen some of the worst fighting between US forces and militants over the past several months.| Al-Qaeda is down but not out. |