A suicide bomber killed at least seven policemen and wounded 30 others at a police station northeast of Baghdad on Sunday, police said.
The explosion happened in Muqdadiyah, 90 kilometers (55 miles) northeast of the Iraqi capital.
After the initial explosion, the station came under attack from mortar rounds launched from the surrounding neighborhood, police said.
In the same province about 30 minutes later, two roadside bombs exploded next to one another in Khanaqin, about 140 kilometers (87 miles) northeast of Baghdad close to the Iranian border, police said. The coordinated attacks wounded 18 civilians, some seriously, police said.