The accused was identified as Rana Islam, 20, son of expatriate Rezaul Islam of Dighirpar village.
Sub-inspector Khairul Alam also in-charge of Khedapara police camp said Rana violated the girl several times promising to marry her.
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Local influential people tried to settle the matter and cover up when it was disclosed later, he said.
Victim’s mother remained mum due to fear when he went to victim’s house and found the allegation to be true, Alam said.
Inspector of Manirampur Police Station said the victim was sent to hospital for medical test.