The Iraqi capital was quiet Saturday as a curfew imposed in fear of imminent attacks kept residents inside, but violence persisted in other areas of the country.
Gunmen killed Malik Jebbar, an Iraqi man who had been working as an interpreter for the U.S. military in an area about 60 miles south of Baghdad, police Capt. Muthana Khalid said.
Another person was killed in nearby Iskandariyah, 30 miles south of Baghdad, when a bomb exploded in the city center, Khalid said. Five others were injured in the blast.
In Tal Afar, 260 miles northwest of Baghdad, police opened fire on a suspected car bomber. The vehicle detonated, killing two and wounding 30 others, police Lt. Nejim Abdullah said.
After U.S. troops detained a bodyguard for the leader of Iraq's biggest Sunni Arab political group on suspicion he was preparing massive suicide bombings inside the fortified Green Zone, fearful officials on Saturday enforced a total ban on movement in Baghdad.
Speaking on Al-Arabiya TV on Saturday morning, Interior Ministry official Hussein Ali Kemal said the move was to "prevent the security situation from deteriorating." He added, however, that the information was that there was a threat that an attack "might occur against places of worship and shopping centers during Ramadan."
Baghdad police on Saturday found six corpses in the eastern section of the capital, more apparent victims of the sectarian death squads that roam the city.
Late Friday, a mortar round landed in the southeastern part of Baghdad, killing five people, including two children and their mother, while injuring another six, police Lt. Bilal Ali said.
In other developments:
Meanwhile, the bodyguard, Guard Khudhir Farhan was taken into custody Friday at the home of Adnan al-Dulaimi, the head of the largest Sunni bloc in parliament, al-Dulaimi told The Associated Press.
"The detained individual is suspected of involvement in the planning of a multi-vehicle suicide operation inside Baghdad's International Zone," the U.S. military said in a statement without identifying the suspect.
The zone in downtown Baghdad is home to the Iraqi government, parliament and the U.S. and other western embassies.
"Credible intelligence indicates the individual, a member of Dr. Dulaimi's personal security detachment, and seven members of the detained individual's cell were in the final stages of launching a series of (car bomb) attacks inside the International Zone, possibly involving suicide vests," the military said.
The man is suspected of having links to a car bomb network operating in the southern area of Baghdad, the military said.
"He is believed to be a member of the al Qaeda in Iraq group," the military said.
Immediately after the arrest Friday afternoon, al-Dulaimi denied the guard had any terrorist links, but when contacted Saturday he seemed to be retreating slightly from his previous comments.
"That individual joined my residence as a guard no more than a month ago, therefore I haven't got complete data about his background," al-Dulaimi said. "Anyhow, they are only suspicions about his involvement, which have not been proved."