Insurgents struck at Iraqi police forces with a suicide bomb, a car bomb and mortars in the cities of Mosul and Baqouba on Monday, killing at least 30 people. The deadliest attack came in Baqouba, where a car bomb exploded outside the gates of a provincial police headquarters, killing 15 people and wounding 17, police Col. Mudhahar al-Jubouri said. Many of the victims were there to seek jobs as policemen, al-Jubouri said. In the northern city of Mosul, a suicide bomber blew himself up inside the compound of Jumhouri Teaching Hospital, killing 12 policemen guarding the site and injuring four others, hospital officials said. The bomb went off outside the hospital building, hospital Director Tahseen Ali Mahmoud al-Obeidi said. Witnesses said the bomber called the police officers over to him and then blew up among the crowd. Also Monday, insurgents shelled a police station in Mosul with more than a dozen mortar rounds, killing three civilians, a police official said. In Sweden, the Foreign Ministry said Monday that it was investigating reports that a Swedish citizen of Iraqi origin was kidnapped last month.