Officials in Iraq say bombings in Baghdad have killed at least five people and wounded about 20 others.
A car bomb explosion, and a bomb hidden on a minibus killed several people in central Baghdad. Another blast targeting a police patrol killed at least one civilian.
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In another development Saturday, Iraqis rallied in several Shi'ite cities and towns - including Najaf, Basra and Karbala - to protest the detention by U.S. troops of the eldest son of Abdul-Aziz al-Hakim, one of Iraq's most powerful Shi'ite leaders.
Hakim was detained at a border checkpoint Friday when he returned from a trip to Iran. He was released later the same day.
The U.S. military said today Hakim's convoy was stopped because the vehicles met "criteria for further investigation" in an area known for smuggling. The military says Hakim was detained when members of the convoy failed to cooperate and acted suspiciously.
U.S. officials have apologized for the incident, and said the United States meant no disrespect to the Hakim family.
Some information for this report was provided by AP and Reuters.