He stressed that the growing violence throughout the nation, reflected "a situation no less dangerous than the results of terrorist acts," according to the BBC.
Dozens of corpses have been found each day, often bearing signs of torture.
Many within the Sunni community have blamed the Iraqi government for not doing enough to stem the growing tide of violence.
"There is no bridge of confidence between the government and the Iraqi people," Tarik al-Hashimy, a vice president of Iraq who is a Sunni Ara, told The New York Times.
Scattered violence continued this week. On Wednesday, gunmen attacked a minibus bringing people to work near the city of Baqouba, killing 11 Iraqis.
Seven Iraqis were killed in other attacks, including four off-duty policemen in Ramadi. A Defense Ministry official also was shot dead while driving to work, according to the Associated Press.
In the northern city of Tal Afar, police raised the death toll from a suicide bombing on Tuesday from 17 to 24 with more than 100 people wounded, making it one of the deadliest attacks in recent week, Reuters reported.
Meanwhile, the formation of a national unity government incorporating Sunnis, Shiites and Kurds hit a snag Wednesday when the dominant Shiite Alliance could not agree on an oil minister, political sources told Reuters.
The job is crucial for efforts to rebuild the country of about 27 million people. Iraq has the world's third largest oil reserves but the industry is plagued by insurgent attacks, corruption and smuggling.
Prime Minister-designate Jawad al-Maliki said Tuesday, however, that he was close to completing the cabinet.