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ISTANBUL (AP) — A helicopter crashed on a highway on Istanbul's outskirts Friday after apparently hitting a television tower in dense fog, reports said. All seven people on board were killed, the city's mayor said.
The Sikorsky S-76 was carrying an executive of the Eczacibasi group of companies, four of his Russian guests and two pilots.
Gov. Vasip Sahin said that the helicopter crashed in Istanbul's Buyukcekmece district after taking off from Ataturk Airport, adding that the cause of the crash was under investigation.
Authorities initially recovered five bodies from the crash site, but Mayor Kadir Topbas later said that all seven on board were killed.
Thick black smoke could be seen billowing from the crash site in video shown on Turkish network DHA. Burning debris was scattered across a large stretch of the highway.
Video from a security camera of a gas station showed the helicopter plunging behind a hill, followed by a ball of fire rising to the sky that quickly turned into black smoke.
Video from a helicopter showed rows of rescue vehicles at the crash site and traffic piling up as vehicles were diverted off the highway to other roads.
The DHA news agency said the helicopter's rotor blade hit a vehicle, smashing its windscreen and causing its roof to sink in. Its driver escaped unhurt but in shock, the agency said.
Witness Fikret Karatekin, a taxi driver, told CNN-Turk television by telephone that the helicopter slammed into the tower before crashing on the highway.
"It hit the tower and crashed by spinning," he said.
Authorities, however, didn't rule out a technical fault as the cause of the crash.
The tower, which is no longer used for transmitting television signals but has a restaurant at the top, didn't appear to be damaged.
Eczacibasi is one of Turkey's top conglomerates that is involved in pharmaceuticals and building products. Bulent Eczacibasi, who heads the company, told reporters near the scene that the Russians on board the helicopter were clients who had been invited to visit a ceramics fair. They were being transported to visit the company's factory near the town of Bozuyuk, some 200 kilometers (120 miles) south of Istanbul.
The Turkish national who was killed headed the company's operations in Russia, he said.
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