More than 30 suspected terrorists were rounded up in the two districts of Howeija and Toz as gunmen seized an Iraqi civilian in the middle of the northern city of Kirkuk, a source in the Iraqi police said Monday. Speaking to KUNA, the source said the Iraqi civilian, Adel Yunes Mardan, was kidnapped by "gunmen riding two separate cars." The source indicated that the 28 people were rounded up following a raid on the Howeija area during which helicopters were used to track down the terrorists. The source added that seven other terrorists were rounded up in the area of Toz Khormato, south of Kirkuk. The seven hailed from the Selman Bey area. "The detainees confessed that they had taken part in recent terrorist activities in the neighborhood," the source said.Meanwhile, several explosive devices were found in the Kirkuk area, including one in the Qadisiya area, opposite the Tiba school. Another explosive charge targeted a patrol from the Al-Ourouba police division, which was sent to the scene of the first bomb. A third explosive charge was found by a patrol of the Miqdad police station as its members were driving on the Cornice street between the Fourth bridge and the As-Sa'aa Public Baths. Kirkuk also witnessed the explosion of several bombs, including one near the Martyrs neighborhood. The bomb was tied to a detonating device. Other bombs were placed in several of Kirkuk side streets.