Sunni lawmakers walk out of Iraqi parliament to protest leader's "house arrest"

Lawmakers from parliament's largest Sunni Arab bloc walked out of Saturday's session to protest what they called the house arrest of their leader following the discovery of a car bomb near his compound.

U.S. and Iraqi officials said the keys to the vehicle were found on one of Adnan al-Dulaimi's bodyguards. Al-Dulaimi's son, Maki al-Maliki, and about 30 other people were arrested Friday.

The political storm over the alleged house arrest of one of Iraq's most powerful Sunni politicians and the detentions have threatened to inflame sectarian tensions at a time when U.S. officials are pushing Iraqi politicians to take advantage of a recent decline in violence …