Gurugram, June 19 -- A 26-year-old woman from Gurugram and her 11-month-old son were killed after their vehicle rolled off a cliff in Himachal Pradesh's Lahaul-Spiti as she was breastfeeding her baby inside the vehicle, police said on Thursday. The woman's mother who jumped out of the car as it was rolling was also injured in the incident. According to the police, the accident occurred near Dhara Waterfall, about 4km from Koksar on Wednesday. They were part of a group travelling from Manali toward Rohtang Pass via the Atal Tunnel. They had pulled over the vehicle and four of the passengers had stopped to admire the view, as the mother and son stayed on the bus, according to police. According to DSP (Kaza) Ajay Kumar Bhardwaj, the victim's h...