At least 25 dead in horror nightclub fire after mystery blaze engulfs building during renovation in Turkey

AT least 25 people have been killed in a fire at a nightclub in Istanbul.

Authorities in the Turkish capital detained several suspects after a horror inferno ripped through the venue, which was closed for renovations.

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The damage after a fire broke out in a nightclub during renovation work[/caption]

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Emergency crews at the scene in the Besiktas district[/caption]

At least eight people were hurt, with seven of them hospitalised in serious condition, city mayor Ekrem Imamoglu said.

The nightclub was on the ground floor of a 16-story residential building in the Besiktas district on the European side of the city bisected by the Bosphorus.

Gov. Davut Gul told reporters at the scene that the cause of the fire was under investigation.

The victims were believed to be involved in the renovation work.

Authorities detained five people for questioning, including managers of the club and one person in charge of the renovations, Justice Minister Yilmaz Tunc said.