Three people have reportedly been killed and a dozen others injured in a string of bombings in the Iraqi city of Baqoubah, north of the capital, Baghdad.

A series of nine bomb blasts rocked Baqoubah on Wednesday.

No group has claimed responsibility for the attacks.

Iraq has witnessed a series of bomb attacks over the past few weeks.

On December 26, 2011, seven people were killed and 32 others injured in a car bombing near the Iraqi interior ministry in the Bab al-Sharji area of the capital.

The Wednesday bombings come at a time when Iraqi military officials have said that new details have been discovered by an Iraqi fact-finding mission about a November 2011 car bombing in Baghdad, which apparently targeted Prime Minister Nouri al-Maliki.

On November 28, 2011, security officials said two people were killed in a car bombing at an Iraqi parliament parking lot inside Baghdad's Green Zone.

Following the car bombing, Iraqi officials accused Vice President Tariq al-Hashemi of involvement in the attack. They also said that the target of the bombing was Parliament Speaker Osama Abdul Aziz al-Nujayfi.

However, on December 3, 2011, the Iraqi premier revealed that he had been the target of the bombing.

On December 19, 2011, Iraq's Interior Ministry issued an arrest warrant for Hashemi after three of his bodyguards made confessions of taking orders from him to carry out terrorist attacks in the country over the past years, including the parliament car bombing.

Hashemi fled to Iraq's Kurdistan region after the arrest warrant.