New Delhi, Feb. 24 -- A six-year-old girl, who went missing from her house in southeast Delhi's Sarai Kale Khan last week, was allegedly killed by her brother-in-law, police said on Monday. Police said they recovered the body on Sunday and arrested the 23-year-old accused in connection with the case. Police suspect a family dispute as the reason behind the minor's murder but are waiting for a post mortem report to ascertain the motive. They also suspect that the victim was sexually assaulted. According to the police, on February 19, the victim's family reported her missing. She was last seen around 3 pm that day. A senior police officer said "We sent out teams immediately to look for the minor. Around 1 am on Friday, a case was lodged under...