Mahdi Al-Samidaei also called on religious scholars to confront Fatwas that permit such attacks, Al-Zaman daily reported.
He said killing innocent human beings is a great crime and that Hell awaits those who commit these acts.
Al-Samidaei stressed that Alims (religious scholars) ought to invite Muslims to confront suicide bombings because killing fellow Muslim brothers is against religious teachings.
There has been a surge of violence in Iraq in the past few months and hundreds of people have lost their lives in suicide bombings and terrorist attacks.
In a latest example of rising violence, on Friday, December 13, masked gunmen shot dead 25 people, including 20 Iranians, working on a pipeline near the village of Balad Ruz, some 80 kilometers northeast of Baghdad.
A special committee has been set up at the order of Iraqi Prime Minister Nouri Al-Maliki to investigate the terrorist incident.
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