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An Indian army helicopter carrying India's topmost military official and his family has crashed in the southern Indian state of Tamil Nadu.
Chief of Defence Staff Gen Bipin Rawat was travelling in an Mi-17V5 helicopter which crashed near Coonoor city.
It was not immediately known if Gen Rawat and his family were safe. Reports said there were 14 people on board.
Visuals from the crash site showed thick plumes of smoke billowing from the mangled remains of the helicopter.
The Indian Air Force said it had ordered an investigation into the accident.
Defence Minister Rajnath Singh is due to address the parliament shortly where he is expected to provide more details.