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ISIS attacks Iraqi base housing U.S. military personnel

Iraqi security forces inspect the aftermath of a suicide bombing at a soccer field in Iskandariya, Iraq, March 26, 2016.

Reuters/Alaa Al-Marjani

Last Updated Mar 26, 2016 2:26 PM EDT

The Islamic State of Iraq and Syria, or ISIS, attacked an air base in Iraq that houses U.S. military personnel, the Pentagon said Saturday.

The Pentagon said no service members in the coalition fighting ISIS were affected by the attack at the Ayn al-Assad Air Base.

Citing Iraqi officials, a U.S. military official said that between three and four fighters wearing explosive vests were killed in the attack, CBS Radio News correspondent Cami McCormick reports.

The official said there were no casualties in the attack, McCormick reports.

The attack comes a day after a bombing during a match in a soccer stadium in the city of Iskanderiyah, 30 miles from the capital, Baghdad. ISIS claimed the attack, saying it had targeted Shiite militiamen.

Iraqi officials say the death toll has climbed to 41, with another 105 people wounded.

The security and public health officials provided the updated toll to The Associated Press Saturday on condition of anonymity because they were not authorized to brief reporters.

The extremist group has lost ground in recent months in Iraq and Syria, but has struck back with a series of large attacks targeting civilians. ISIS claimed this week's attacks in Brussels, which killed 31 people.