Three soldiers have been hurt, two seriously, during a training exercise in Queensland involving a Howitzer.

Three soldiers have been injured, two seriously, while firing a gun at an army base in central Queensland.

The soldiers were injured during a training exercise involving a howitzer field gun at the Shoalwater Bay base near Rockhampton about 10.30pm (AEST) on Tuesday, Defence said in a statement.

Two soldiers are in a serious condition and the third is stable.

“The incident … involved the firing of an illumination round from an army M777A2 Howitzer,” a statement from the defence force said.

The soldiers were treated at the scene before being taken to hospital.

Details about the soldiers, their injuries and the cause of the accident have not been released.

The Australian Defence Force Investigative Service is investigating the incident.