Tonight, the sound of an explosion was heard at the Harir base near Erbil, which is home to a number of US troops.
According to some witnesses and local sources, the base was attacked by a drone.
Local officials and international coalition forces have not yet commented.
The bases of US and international coalition forces in the Iraqi Kurdistan region have been attacked by rockets and drones several times before, especially at Erbil airport, sometimes causing human casualties.
The United States has blamed Iranian-backed militias for the attacks.
Earlier, Mohammad Bagheri, chief of staff of the Iranian Armed Forces, referred to the Harir base in Erbil province and said that his country would not accept the presence of US troops near its borders.
He had said that the base was a conspiracy against Iran’s interests, so US forces should evacuate the base.