Iraq's vice-president alleges that the Islamic State group have carried out their worst massacre to date, with the names of 2,000 victims posted on a wall in Mosul.
The offensive led by Iraqi government troops against the Islamic State group has reportedly resulted in heavy civilian casualties, caused by air and artillery bombardment.
Analysis: The Iraqi prime minister must straddle the fault-lines of tectonic diplomatic relations as he tries to align regional forces in the fight against the Islamic State group.
With an assault by Iraqi forces on Mosul expected in the coming months, the Islamic State group have raided homes in the city - hunting suspected collaborators.
The Islamic State group reported to have killed dozens of people in Salaheddin, shortly after prominent member was killed in battle to south of province.