Unidentified militants attacked the motorcade of councilor Ahmed al-Harbi, 45 kilometers northeastern of provincial capital Baqubah, killing him and two bodyguards.
Maj. Gen. Mohamed al-Dulaimi said that militants, pretending to be Kurdish policemen, had taken six of the victims into a room where, he said, they had been "executed."
Wasit is a relatively stable province of Iraq, in which such attack is unusual.
The bomb attack left five security guards dead as militants managed to take dozens of students and professors hostage after raiding the premises
The restaurant, on the highway connecting Baghdad and Basra, was badly damaged by the twin blasts
Diyala has been the site of growing activities by pro-government militias.
Upcoming parliamentary polls will come amid an uptick in militant attacks in the northern and western parts of the country, which have also spilled over into Baghdad.
A water station was also completely burned down after local residents set fire to oil patches in the river, according to eyewitnesses.
Some 17 other soldiers were injured in the attack, which the source blamed on the Islamic State of Iraq and Levant (ISIL) group.
In a statement, the ministry said that the helicopter carrying Gen. Hassan Karim Khudeir crashed due to a "technical mishap".
Abu Ghraib, which is located in the troubled Anbar province, was attacked last year by anti-government rebels who succeeded in freeing hundreds of detainees.
Syrian National Coalition leader Ahmed Jarba said the news didn't reflect the truth which contain damaging the churches in Keseb town of Syria.
The Iraqi parliament approved in 2013 a bill stipulating that the president, premier and parliament speaker cannot serve more than two terms in office.
Blast killed 11 people, including five policemen, and injured 11 others, including two policemen.
The operation is targeting Islamic State of Iraq and the Levant (ISIL) militants "has left dozens of the terrorist group's members killed," a commander said.
Seven Iraqi security troops were killed in two separate attacks in the northern province of Saladin, four Iraqi policemen were killed and eight others injured in the northern province of Kirkuk
The Iraqi military had earlier declared its intention to launch ground operations in the city, but the date for the planned operation has yet to be announced.
Friday's attack comes less than three weeks before the country's parliamentary elections, set for April 30.
Anti-government tribal fighters said ISIL's tactic was to flood the area around the city to force troops to retreat and lift the siege on Falluja.
Iraqi government troops have been pursuing ISIL rebels since December, when the group captured parts of Iraq's western Anbar province.
Eleven years after the fall of the Baath regime in Iraq, political turmoil and sectarian violence still afflicts the country.