The U.S. government is seeking the safe return of exiled or escaped Sunni leaders, such as former vice president Tareq al-Hashemi, to Iraq.
At least 47 people were killed and 13 were wounded.
Militants took most of al-Baghdadi on Thursday, but were stopped before they were able to attack the nearby Ayn al-Asad base, where American advisors are stationed. Seven militants were reported killed, but the final figures are likely higher.
Militants kidnapped 29 tribesmen in Tikrit.
Eighteen militants were killed in an airstrike in Hawija.
Eleven militants were killed in Makhmour.
In Ramadi, six militants were killed in clashes.
Clashes in Falluja left five militants dead and five wounded.
In Sinjar, two militants were killed.