Noida, June 20 -- Police have arrested three men for allegedly raping a nine-year-old girl over the past month in Noida's Sector 21, officials said on Thursday. The accused, who police said are friends of the victim's father, were booked under relevant sections of the Protection of Children from Sexual Offences (POCSO) Act and the Bharatiya Nyaya Sanhita (BNS). The horrific case came to light on Tuesday when the girl's father took her to a private hospital after she complained of persistent illness. During the medical examination, doctors confirmed signs of sexual assault and immediately alerted the authorities. According to police officials, the victim is a Class 1 student who lives with her father and two siblings-an elder brother and younger sister-in the servant quarters of a house where her father is employed. The family has resided in Sector 21 for about 25 years, and the parents are currently separated. The three accused-a 35-year-old from Sector 123 who irons clothes; a 50-year-old security guard who lives in Sector 48; and a 55-year-old from Harola who is a driver -were regular visitors to the family's home. HT is not identifying the three men because it could lead to the victim's identification as well....