Istanbul governor Vasip Sahin told state-run news agency Anadolu that five people were killed, as Turkish media speculated that foggy weather could be the cause.&nbsp; 
&nbsp;&nbsp; &nbsp;There were two pilots and a Turkish passenger with the Russians on board the Sikorsky S-76 helicopter owned by Turkish conglomerate Eczacibasi, Dogan news agency said. 
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5 dead including Russians in Istanbul helicopter crash: report

Nuttapakron is a Rewriter for Nation Group. He focuses on factual precision and clarity, striving to present updates that are both trustworthy and highly readable.&nbsp;

5 dead including Russians in Istanbul helicopter crash: report

ISTANBUL - Five people were killed after a privately-owned helicopter carrying seven including four Russian passengers hit a television tower and crashed in Istanbul on Friday, state media reported.

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