Baghdad, Iraq (CNN) -- At least 11 people were killed in attacks, mostly targeting security forces, across Iraq Thursday, said local police and the Iraqi Interior Ministry.
Three suicide bombers and some gunmen killed at least five people and wounded at least eight in two separate attacks in the Mosul area in northern Iraq, said Mosul police.
Two of the suicide bombers tried to infiltrate an Iraqi Army base north of Mosul, but soldiers opened fire on them, forcing them to detonate near the base's gates.
The explosion killed at least one civilian and wounded five others. In western Mosul, gunmen opened fire on a police checkpoint, clearing a path for a suicide bomber to reach the officers and detonate, killing four police and wounding three more.
Meanwhile, a roadside bombing killed at least two policemen and wounded at least eight more people in Baghdad, said an Interior Ministry official. Four of the injured were civilian bystanders.
And in Baquba, about 37 miles north of Baghdad, gunmen invaded a home, then kidnapped and killed four men. leaving their bodies nearby.
Iraqi security forces are taking a larger role in peacekeeping, with the United States in the process of lowering its number of troops in Iraq from the current 85,000 to about 50,000 by the end of August, in preparation for meeting the September 1 deadline to end all combat missions.
According to the security agreement between the United States and Iraq, all American forces will leave the country by the end of next year.