Islamic State have reportedly used poison gas in attacks against Kurdish-controlled regions of northern Syria, according to a statement by a group monitoring the conflict.
At least seven Iraqi soldiers were killed when Islamic State militants detonated an explosive-laden bulldozer near the town of Haditha, in one of a wave of bomb attacks on the area.
At least 146 civilians have been killed by Islamic State militants in their most recent attacks on the Syrian town of Kobani, the second-largest civilian killing by the group.
Islamic State militants have reportedly killed at least 14 Iraqi soldiers, opening fire on Iraqi troops in the western Anbar province, following the detonation of a car bomb.
At least 12 people have been killed, and a further 70 wounded, following a car bomb and attacks by Islamic State militants in the embattled Syrian town of Kobani.
Syrian army troops and armed militias have reportedly secured the perimeter of a highly contested oil field in Syria, near the city of Palmyra, following heavy fighting with Islamic State militants.
At least 10 dead have been killed, and dozens injured, in two coordinated suicide bombing attacks, believed to have been perpetrated by Islamic State militants, in the Syrian city of Hasaka.
At least three people have been killed after clashes broke out in the predominantly Kurdish southeast of Turkey, following the fatal shooting of the head of an Islamic aid group outside his office.
At least two people have been killed, and more than 100 others injured, following two blasts at a Kurdish rally in southern Turkey, just two days before a general election.
At least 59 civilians have been killed in an air raid on a market in an Islamic State-held town, in the northern region of Syria.