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Turkey's interior minister reported deaths and injuries after a "terrorist attack" at Turkish Aerospace Industries facilities in the capital Ankara on Wednesday.

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.

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

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

Turkey has accused Kurdish terrorists affiliated with the PKK of hitting a defense company in Ankara when two assailants attacked with assault rifles and explosives.

Turkey said the strikes in Iraq and Syria targeted a Kurdish separatist group a day after an unclaimed attack on a defense contractor.

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.