Iraq is awaiting the ruling of the Federal Supreme Court over an appeal on the legality of the new parliament's inaugural meeting that was held on January 9.
Sunni Mohammed al-Halbousi was reelected speaker during the meeting, a development that did not sit well with rivals.
Since the inaugural meeting, a series of bombings have targeted Halbousi's Taqqadum party, Sunni Khamis Khanjar's Azm and the Kurdistan Democratic Party, headed by Masoud Barzani.
Observers predicted that more attacks are still to come, especially if the supreme court rejects the appeal.
It is set to announce its ruling on Wednesday.
Halbousi was reelected after an understanding was reached between Shiite cleric Moqtada al-Sadr's Sadrist movement, the Taqaddum and Azm alliances, and the KDP.
The move, said observers, upset the Shiite pro-Iran armed factions, who had emerged as the greatest losers in the October parliamentary elections. Sadr had emerged as the victor.
The pro-Iran factions view the unified stances of the Sunni parties at parliament as being directed against Shiites, who have grown more and more divided.
The factions have since delivered warning messages, first against the KDP by targeting its headquarters in Baghdad with a hand grenade.
They followed it with another explosive message on Sunday by targeting more Kurdish interests: Two banks in Baghdad.
Two people were wounded in the grenade attacks.
The Sunni Arabs were not spared the violence. The headquarters of each of Halbousi and Khanjar's parties were attacked in Baghdad last week.
On Sunday, an explosive targeted the Baghdad office and residence of Taqaddum MP Abdulkarim Abtan.
On the political level, head of the Fatah alliance, Hadi al-Ameri is set to meet with Barzani in Erbil on Monday to discuss means to resolve the crisis.
Ameri had met with Sadr on Saturday, but they did not reach a breakthrough between the Sadrists and the Coordination Framework, which is comprised of the pro-Iran factions, to end the deadlock.
