"It is being reported that Balad Air Base was attacked with rockets tonight. There are no Coalition/US Forces stationed at Balad AB," Marotto wrote on Twitter.

Earlier, Alsumaria TV reported that the Balad base, located north of Baghdad, came under a rocket attack on Sunday night.

A security source told the news channel that the air base was hit by four Katyusha rockets.

The Iraqi News Agency (INA) said that several rockets fell inside the base, injuring at least two people.