The accused dumped the girl in a six-feet-deep pit, thinking she had died, and fled the spot. A 35-year-old person was arrested on Tuesday on the charge of raping a three-and-half-year-old girl in Anand Parbat area in the Capital, police said. Accused Birbal, who works as a labourer, is a neighbour of the victim. He was arrested from his residence in Harijan Basti in north Delhi, police said. The incident took place on Monday night around 8 pm when the victim’s parents had gone out for some work, leaving her with her two siblings.