Police on Thursday arrested a man for allegedly sexually harassing a child on a running bus in Sonargaon of Narayanganj.   The accused was identified as Molin Hossain, 32, assistant of the bus driver.   Sub-Inspector of Sonargaon Police Station Shariful Islam said Molin was arrested after the victim’s mother called the national emergency service 999 around 9am.   Molin sexually harassed the victim when she was sleeping in her seat, he said.   A case has been filed under the Women and Children Repression Prevention Act, the police officer said.   Also read: Child rape increased 76.01pc in Bangladesh last year: BSAF