PATNA: A septuagenarian Russian woman, Samazhad Ninaeva, died due to heart attack at the city airport on Friday afternoon, sources said. Along with a group of about a dozen Russians, she was reportedly returning from Bodh Gaya after attending the Kalachakra Puja performed by the Tibetan spiritual leader, the Dalai Lama. The woman had arrived at the airport to take a flight for Delhi. Suddenly she complained of breathlessness and collapsed outside the airport terminal, sources said. The airport manager arranged a vehicle in which she was taken to a private hospital, where she was declared brought dead, police said. Police sources said that the body has been sent for post-mortem. The Russian embassy in New Delhi has been intimated about the death. All members of her group, however, left for Delhi on Friday.