A nine-year-old second-grader was raped on several occasions in Raghurampur of the Sadar upazila in Jessore.
A case was filed by the girl's mother with the Jessore Kotwali police station on Monday.
According to the case statement, a neighbour, Mamun Hossain, 23, lured the girl to a bamboo orchard and raped her on several occasions in two months. In his last attempt on August 29, he threatened to kill the girl if she shared the incidents with anyone.
The frightened girl informed her mother on Sunday.
Inspector Shehabur Rahman of the police station said: "We took the girl to a hospital for medical tests. We are trying to locate the accused and arrest Mamun as soon as possible."