Lucknow, Dec. 27 -- Two sisters, aged 26 and 22, who were distressed over their pet dog's illness allegedly died by suicide at their residence in Doda Kheda-Jalalpur area of Uttar Pradesh's Lucknow, police said on Friday. According to the police, information was received from a local private hospital around 2.30 pm on Wednesday that two sisters had been admitted after they both tried to die by suicide. The elder sister died during treatment, while the younger one was referred to KGMU in central Lucknow, where she also succumbed. P3...