Eight people were killed and ten others wounded in separate bombings and shootings in Iraq on Monday, police said.

In northern Iraq, a soldier was killed in gunmen attack on an army checkpoint in the city of Mosul, some 400 km north of the Iraqi capital of Baghdad, a local police source told Xinhua on condition of anonymity.

A body of another soldier, who was kidnapped the day before, was found in Tigris River in al-Rashidiyah district in northern Mosul, the source said, adding that the body bears signs of torture with bullet holes in his head and chest.

A civilian was shot dead by gunmen in a marketplace in eastern Mosul, while a taxi driver was killed in a sticky bomb explosion in his car in northern part of the city, the source added.

Meanwhile, a fierce clash erupted in the morning when unidentified gunmen attacked a police checkpoint in Saiyd Gharib area, just south of the city of Balad, some 80 km north of Baghdad, leaving two gunmen killed and three policemen wounded, a local police source said.

Separately, policemen at a checkpoint outside a police station shot dead a suspected suicide bomber said to be wearing an explosive vest in the town of Saqlawiyah, some 50 km west of Baghdad, a local police source anonymously told Xinhua.

Minutes later, the policemen found a car bomb at the scene and managed to defuse it, the source said.

In Fallujah, gunmen using assault rifles attacked a police patrol in southern area of the city and wounded two policemen and a passerby, the source added.

In Iraq's eastern province of Diyala, gunmen shot dead a government official in the city of Sa'diyah, some 60 km north of the provincial capital city of Baquba, which is about 65 km northeast of Baghdad, a provincial police source told Xinhua.

Also in the province, four people were wounded, including a policeman, in two roadside bomb explosions near the town of Maqdadiyah, some 40 km northeast of Baquba, the source said.

Iraq is witnessing its worst eruption of violence in recent years. According to the UN Assistance Mission for Iraq, almost 7, 000 Iraqis were killed and over 16,000 others injured from January to October this year.