Heavy gunfire and explosions were heard at the main facility of the Turkish Aerospace Industries (TAI) in the capital Ankara on Wednesday afternoon, Paralel.Az reports citing Daily Sabah

Media outlets reported an exchange of gunfire, though it is not clear whether it was a terrorist attack.

The cause of the explosion and the subsequent gunfire remained unclear, with some media reports claiming a suicide attack had occurred. Emergency services were dispatched to the site.

Unconfirmed reports said three gunmen tried to storm the premises and an armed clash broke out subsequently.

Turkish Interior Minister Ali Yerlikaya stressed that a terrorist incident took place on the X platform, and there were dead and injured people.