Mumbai: A 25-year-old woman was arrested on Friday evening for allegedly killing her 16-day-old daughter here, police said. The incident had taken place Tuesday at Sundar Kamla Nagar in Sion, Central Mumbai, an official said. The 16-day-old girl had gone missing from the first floor of her parents’ house when her mother Sama Ansari (25) went downstairs for some work, he said. A complaint was lodged by the newborn baby’s father at the Sion police station following which a case of kidnapping under IPC section 363 was registered, the official said.