Terror attack blamed as four killed and 14 wounded at Turkish aerospace firm

Recep Tayyip Erdoan condemns heinous' attack after large explosion and reports of gunfire at Tusa HQ near Ankara

Turkey's interior minister has blamed a terrorist attack" for an explosion and assault at the headquarters of the national aerospace company, Tusa, outside Ankara that has killed four people and wounded 14 others.

The large blast happened outside the building at 4pm on Wednesday, and there were reports that gunfire was also heard in the vicinity.