A spate of attacks in Iraq Tuesday left seven dead and 14 injured, including twin suicide bombings by women, while sounds of sporadic explosions and shooting were heard in east Baghdad's Shiite Sadr City district, reported dpa .
In the restive Diyala province, north-east of Baghdad, at least six people were killed and 13 injured in attacks, according to security officials.
In one attack, a female suicide bomber wearing an explosives belt targeted the motorcade of the head of the Sadiyah municipality near his office, a police source told the Voices of Iraq VOI news agency.
The official, Ahmed Zarqushi, was injured along with five of his companions, one of whom later died of his wounds, VOI reported.
Another woman suicide bomber also wearing an explosives belt targeted an office of a tribal police unit in Muqdadiyah, killing two tribal policemen and injuring five, police said.
Separately, gunmen shot dead three civilians in Jalawla while three soldiers were injured by a bomb that hit their patrol in Baldroz, according to police.
Diyala is the centre stage for insurgent activities, mainly the Sunni Islamic State of Iraq group affiliated with the al-Qaeda terrorist network.
In Baghdad, Dia Jawdi Jabir, a senior official from Iraq's Ministry of Labour and Social Affairs, was killed by a bomb outside his house in the western Shaljiyah area, a ministry spokesman, told VOI.
The official's son was critically injured.
In Sadr City, the stronghold of the Mahdi Army militia of Shiite cleric Moqtada al-Sadr, the sounds of explosions and shootings were heard, eyewitnesses said.
Fighting has been raging in the densely populated slum area since the end of March between militiamen and US and Iraqi troops.
The US military said it killed 38 militiamen in attacks in Sadr City on Sunday evening.