The car blew up near a market on the outskirts of Al-Kadhimiyah, a western district of the city.
Also in Baghdad, gunmen killed Mahmud Ahmed, the brother of a top Sunni Arab politician, Tariq al-Hashemi.
Al-Hashemi, a member of the Iraqi Islamic Party, has been talked of as a possible speaker of the incoming parliament.
RFE/RL Iraq Report
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