Semi transporting horses on fire near Yass

The Hume Highway remains closed in both directions after a semi-trailer carrying 15 horses caught on fire in the NSW Southern Tablelands.

Emergency services were called to the scene north of Yass about 6.20pm where the vehicle was on fire.

NSW Rural Fire Service said the fire has since been extinguished.

Police believe all but one of the horses will survive, with one sustaining serious burns.

The driver of the vehicle suffered smoke inhalation.

The animals were being transferred to another vehicle and the NSW Department of Primary Industries was notified of the incident.