An airport police officer shot his colleague before turning the gun on himself after a heated argument inside the domestic flights terminal at Kayseri, Turkey, local media reported.
It was said that at least four shots were fired inside the airport in central Turkey on Tuesday afternoon, provoking panic among the public.
Hurriyet reported that after the two officers argued, one drew his pistol and fired three shots at the other before using the weapon to shoot himself.
After the incident, which is said to have occurred 4.20pm local time, a large number of police and ambulances reportedly rushed to the airport, which was also subjected to enhanced security measures.
Video footage from Kayseri showed a small crowd of people, some with luggage, forming outside the terminal building.
It is understood that both officers were taken to hospital. They have yet to be officially named.
The cause of the argument is not yet known.
In 2016, suspected Isis militants armed with automatic weapons and explosive belts carried out an attack at Istanbul's Ataturk Airport, killing 45 people.
