A girl was allegedly raped at gunpoint by three persons in Bihar's Muzaffarpur district, police said on Thursday.Also Read: Delhi minor rape: Cops exhume body of girl’s child to establish DNA link, cause of deathThe incident happened on Wednesday night, and two persons have already been arrested, with a search underway for the third accused, they said.Also Read: Ghaziabad: 24-yr-old woman held for fake gang rape caseIn the complaint filed by the girl's mother, it was alleged that the accused men who belonged to the same neighbourhood took the girl to an isolated place and raped her at gunpoint, SP (Rural) Vidyasagar said.Also Read: Chandigarh: Rape case falls apart after 25 years as victim fails to identify accusedThe medical examination of the survivor would be done, he said, adding that an investigation was underway.