Two instances of sexual assault of minor girls was reported here in the last three days. One of the victims was admitted to hospital with serious injuries. The accused in one of the cases — a domestic help at the child’s house — has been arrested.A four-year-old girl was allegedly raped in her house in the Manak Chowk area of the Walled City here on Saturday, while a six-year-old girl sleeping next to her mother on a pavement in the Mansarovar locality was allegedly abducted and assaulted by an unidentified person early on Monday. The accused in the second case is yet to be arrested.A 20-year-old youth, working at a jewellery shop and also at the shop owner’s house, allegedly took his four-year-old daughter inside a room and raped her after increasing the volume of television to make her screams inaudible. Police said the girl’s mother spotted the youth in the room and raised an alarm.Police have arrested the youth and registered a case under the Protection of Children from Sexual Offences (POCSO) Act against him. The charge-sheet in the case is likely to be filed within a week.In the second instance, an unidentified man allegedly abducted a six-year-old girl, daughter of a labourer couple, from a pavement near the Mansarovar Metro depot, where she was sleeping, and assaulted her in the early hours on Monday.When the girl’s mother raised an alarm after finding her daughter missing, police launched a search and found her at some distance. The victim, who had received multiple injuries, was rushed to the Jaykay Lon Children’s Hospital and admitted there.