Al-Qaida group says it has captured US soldiers

An al-Qaida front group said Sunday that it had captured several US soldiers in the attack a day earlier south of Baghdad that killed five and left three missing. The US said 4,000 troops were searching for the three missing soldiers. In a statement posted on an Islamic Web site, the Islamic State in Iraq, claimed responsibility for the attack in Mahmoudiya on Saturday and said it held an unspecified number of US soldiers. The group offered no proof to back up its claim.