One Dead, At Least Four Trapped In Eight-Storey Building Collapse

At least one person has been killed and four others have been trapped under rubble after an eight-storey residential building collapsed in Istanbul, Turkish private broadcaster NTV reports.

It was not immediately clear why the building, in the Kartal district on the Asian side of the city, had collapsed, but NTV said prosecutors had launched an investigation into the incident.

Istanbul Governor Ali Yerlikaya told reporters at the site that 43 people were registered in 14 apartments at the address, but added that the top three floors of the building had been built illegally.

Yerlikaya also said there was a textile workshop on the ground floor of the building that was operating without a license.

He declined to comment on the number of casualties on Wednesday.

Building Collapse In Turkey
At least one person has died after a building collapsed in Turkey.  Image: AAP.

The chairman for Turkey's Disaster and Emergency Management Authority (AFAD) said search and rescue operations were under way, adding that additional personnel would be requested from neighbouring provinces if necessary.

President Tayyip Erdogan sent the interior and environment ministers to the site, state-owned Anadolu agency reported.

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Television footage showed emergency teams pulling a woman out of the rubble as dozens of bystanders watched near the debris.