IS insurgents attacked regional Kurdish forces southwest of Kirkuk seizing parts of Khabbaz oilfields.
The Pentagon said this week the militants had been driven out of 90 percent of Kobani.
Iraqi security and govt officials have disputed the accounts saying radical jihadists from ISIS could have perpetrated the killings.
An exchange would set a precedent for negotiating with IS militants.
Headed for the Oscars, the Clint Eastwood-directed film is now being subjected to the harsh light of reality.
The militants transported them from Tal Afar, where they were being held for the past five months.
International watchdog group says that women and girls from Iraq have endured horrors
The attack happened in the Shiite holy city of Samarra, about 95 kilometers (60 miles) north of Baghdad.
US wants to help Iraq regain the territory it lost to Islamic State militants.
The attack which killed atleast 15 and wounded 5, took place in al-Walid on Iraq’s side of the border.
Al-Abadi called for the additional support after a meeting late Saturday with delegates from the Anbar Provincial Council.
Iraq’s prime minister said his country and Turkey have agreed on closer security and intelligence cooperation.
Kurdish forces, backed by US-led airstrikes, launched a new offensive Wednesday targeting the Islamic State group.
No group immediately claimed responsibility for the midday attack near the ancient citadel in Irbil.
A US-led coalition is carrying out air strikes against IS jihadists in both Iraq and Syria.