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Four people were killed in a terror attack on the headquarters of Turkey's state-owned Turkish Aerospace Industries near Ankara, an official says.

Several people were killed in a suspected terrorist attack at the Turkish Aerospace Industries’ headquarters near the country’s capital, according to Turkish authorities.

No group immediately claimed responsibility. Turkey’s interior minister said it was “most likely carried out” by the Kurdistan Workers’ Party, or PKK.

The attack hit Turkish Aerospace Industries, which makes fighter jets and other equipment for NATO’s second-largest military after the U.S.

Turkey launched airstrikes against what it said were sites linked to a Kurdish separatist group in Iraq and Syria, hours after an armed assault on a defense company killed five people in Ankara.

Turkish warplanes attacked nearly three dozen targets of a Kurdish militant organization in northern Iraq and Syria, Ankara's ministry of defense said late Wednesday.

A terrorist attack was carried out on a Turkish Aerospace Industries facility near Ankara, injuring 22 and killing five people.

Footage broadcast on Turkish television and shared on social media Oct. 23 showed an attack on an aerospace company's headquarters near the capital, Ankara.

A general view of the entrance of the headquarters of Turkey's aviation company TUSAS, where three people were killed and five others wounded in an attack, near Kahramankazan, a town of Turkish capital Ankara,