Turkey: 4 detained over deadly building collapse
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Turkey's state-run news agency says authorities have detained four people in connection with the collapse of an eight-story apartment building in Istanbul that killed 21.
Anadolu Agency said the building's project officer, construction engineer, safety inspector and a technical officer were taken into custody. They face possible charges of negligence.
The building in Istanbul's mostly-residential Kartal district, on the Asian side of the city, collapsed on Feb. 6. Rescuers pulled out 14 other people from the debris with injuries.
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Authorities have said the building's top three floors were illegally built.