A Florida firefighter was attacked struck in the head with an ax while treating a patient Wednesday.

The incident happened as Osceola County Fire Rescue crews responded to a call concerning a woman having breathing trouble at her Kissimmee home, WKMG-TV reports. As firefighters were taking care of the woman, her son came out of the house brandishing an ax.

The man allegedly struck a firefighter in the head, injuring the first responder. The firefighter was taken to the hospital in stable condition, but no details were released concerning the extent of the injuries.

The son was arrested, and it was not clear what charges he would face stemming from the attack.