The Turkish government has said at least five people were killed after an attack on aerospace company – TAI – which manufactures drones and jets for the military near Ankara.
Turkey has said it was a terrorist attack – and launched strikes on armed separatist group the PKK in response.
Footage from the attack shows two heavily armed people arriving at TAI. It also shows a large explosion at the site.
No group has claimed responsibility for the attack.
BBC Verify explains how the attack unfolded.
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