KANPUR, April 20 -- A 45-year-old medical representative allegedly killed his 11-year-old twin daughters by slitting their throats at their apartment in Kanpur's Kidwai Nagar area in the early hours of Sunday and then called the police emergency line himself to report the crime, police said. When officers from the local police station reached the apartment, they found the girls' bodies on the bedroom floor and a blood-soaked knife nearby. The father was sitting beside the bodies and was arrested on the spot. Kanpur's deputy commissioner of police (South) Deependra Nath Chaudhary confirmed the arrest and said no clear motive had yet emerged. "We received a call on 112 at around 4.30 am from the accused himself," Chaudhary said. P3...