At least 51 people were killed and 107 others wounded Saturday evening when a suicide bomber detonated his explosive vest near Shiite pilgrims in the Adhamiya area in northern Baghdad, Xinhua reported citing a police source.
The pilgrims were on their way to the Al-Kadhimiya mosque in the Kadhimiya neighbourhood in northern Baghdad, he added.
Also Saturday evening, at least 11 people were killed and 35 others wounded when a car bomb exploded near a popular cafe in Balad town, some 80 km north of Baghdad, a police source said.
At least 51 people were killed and 107 others wounded
One civilian was killed and 10 others wounded when a roadside bomb exploded near another cafe in the Baya area in southwestern Baghdad, the police source said.
He added that a policeman was killed and two others wounded when a roadside bomb targeted police patrol in Mashahda, 30 km north of Baghdad.
In a separate attack, unidentified gunmen targeted a joint army and police checkpoint near Falluja, 50 km west of Baghdad, killing a soldier and a policeman on the spot and injuring three soldiers.
In Iraq's northern city of Mosul, unidentified gunmen shot dead Mohammed Karim al-Badrani, a correspondent with al-Sharqiyah satellite channel, and his colleague Mohammed Ghanim, while they were interviewing residents in Sarj-Khana district in central Mosul, some 400 km north of Baghdad, a police source said.
The Iraqi Journalists Syndicate, which condemned in a statement the assassination of the two journalists, said in its annual report earlier that more than 375 media workers have been killed in Iraq since the US-led invasion in 2003.
A roadside bomb went off at a checkpoint manned by government-backed Sahawa paramilitary group fighters in Yousifiyah town, 25 km south of Baghdad, killing three group fighters and wounding four others, a police source said.
Elsewhere, gunmen in a car fired at a Sahwa leader and his bodyguards in Hawijah city's Zab area, some 220 km north of Baghdad, killing three of his bodyguards and wounding the leader, police said.
The Sahwa militia, also known as the 'awakening council' or the 'sons of Iraq', consists of armed groups, including some powerful anti-US Sunni insurgent groups, who turned against the Al Qaeda network after Sahwa's leaders became dismayed by the militant group's brutality and religious zealotry in the country.
A group of gunmen bombed three houses of policemen early Saturday in Amriyat al-Fallujah area, just south of the Fallujah city, killing two people and wounding four others, including a policeman.
In a separate incident, gunmen in a car shot dead a civilian near his house in the southern part of Fallujah, the source said.
In Baghdad, a government employee was killed when a sticky bomb detonated in his car in Doura district in the southern part of the capital, an interior ministry source said.
Iraq is witnessing its worst eruption of violence in recent years, which raises fears that the country is sliding back to the full-blown civil conflict that peaked in 2006 and 2007 when monthly death toll sometimes exceeded 3,000.
The UN Assistance Mission for Iraq has said that almost 6,000 civilians were killed and over 14,000 others injured in Iraq from January to September this year.