Bombs ripped through an Iraqi market as the Iraqi army announced that it had killed two suspects.
Three homemade bombs detonated in a crowded street market in the city of Baquba, north of Baghdad, wounding 10 people.
In the southern town of Amara the body of a policeman who was also a former member of ousted president Saddam Hussein's Baath party was found floating in the Tigris river with a bullet in the head, local police told AFP.
At least 11 more tortured corpses were found in and around the capital.
Meanwhile, Iraqi defence ministry spokesman Ibrahim Shaker said in a statement that in the preceding 24 hours government troops had shot dead two "terrorists" and seized 63 suspects in raids across the country.
The US air force announced that F-16 fighter jets had dropped several 500 pound (227 kilo) GBU-12 laser-guided and GBU-38 satellite-guided bombs on an "insurgent position" near Baghdad "achieving the intended effects".
Crowds from Iraq's Shiite community on Saturday continued to protest against Israel's military campaign against Lebanon. A 100-strong crowd rallied peacefully outside US and British consulates in the mainly Shiite southern city of Basra, while another group marched to government offices further north in Kut.
