A class I student was allegedly raped at Dudhshar village of Shailakupa upazila on Thursday.
Superintendent of police Ariful Islam said Biplob, a neighbour of the victim, took the child to a field alluring her of giving ice-cream on Thursday and raped her.
Later, locals rescued the girl and admitted her to Sadar Hospital.
The victim's father filed a case with Shailakupa police station accusing two people.
The SP said that they were trying to catch the accused.