Analysts believe the chances of a successful operation on Mosul are slim without first retaking Baiji and Ramadi.
Yazidis are urging the International Criminal Court to investigate their persecution by the Islamic State militants as a case of genocide.
At least 38 were killed and 23 were wounded:
A bomb planted in a cemetery in Madaen left one dead and three wounded.
Seventeen militants were killed in airstrikes in and around Hawija and Rashad.
Airstrikes in Malahma and Tel Msheihda left 20 militants dead and 20 wounded.
