Islamist militants advanced into Kurdish territory in Iraq, klling dozens and a provincial police chief, but were held back by defenders in the Syrian border town of Kobani.
The jihadists have been focusing on Kobani in recent days, driving 200,000 refugees across the border into Turkey, Reuters reported.
They have laid siege to the town for nearly four weeks and have taken control of almost half of the town.
A United Nations envoy has said thousands of people could be massacred if Kobani falls.
Meanwhile, a top United States military officer said Washington, which has ruled out joining ground combat in either Iraq or Syria, could nevertheless increase its role “advising and assisting” Iraqi troops on the ground in the future.
And US National Security Adviser Susan Rice told a television program that Turkey agreed to let bases be used by coalition forces for activities inside Iraq and Syria and to train moderate Syrian rebels in the fight against the Islamist militants.
In Iraq, Sunday saw a second straight day of bomb attacks that killed dozens of people.
The jihadists claimed responsibility for a suicide bombing on a security headquarters in a Kurdish-controlled town in the north that killed at least 28 people and wounded 90.
The police chief of Anbar, the mainly Sunni Muslim province that includes the entire Euphrates Valley from the western outskirts of Baghdad to the Syrian border, was killed in a bomb attack on his convoy in an area that had seen clashes between government forces and the militants.
The previous day, bombs killed 45 people in Baghdad and its Western outskirts near Anbar, the Report said.
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