US soldiers at a base near the northern Iraqi city of Mosul have donned protective masks against toxic fumes from a sulphur plant set alight in fighting with so-called Islamic State.
They took the precaution after the wind blew smoke from the fire towards Qayyarah Airfield.
In Baghdad, Turkish attempts to join the offensive against IS were rebuffed.
Meanwhile, advancing Iraqi forces entered the town of Qaraqosh, 32km (20 miles) south of Mosul, the IS capital.
Read more- BBC
Image courtesy of Reuters