A helicopter carrying seven passengers and two pilots made an emergency landing in Arabian Sea near ONGC rig Sagar Kiran in Mumbai High on Tuesday.
According to Oil and Natural Gas Corporation Limited tweet, five people have been rescued so far and attempts are on to bring the others to safety.
The helicopter was forced to land using the floaters that are attached to such coppers that carry personnel and material from shore to offshore installations.
The circumstances that led to the emergency landing were not immediately clear. Other details too were awaited.
ONGC has several rigs and installations in the Arabia Sea that are used to produce oil and gas from reservoirs lying below the seabed.
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