The Mundakayam police on Wednesday arrested Sajan Mathai, 40, a pastor, of Cheeramchempil house in Erumeli, on the charge of molesting a minor. The parents of the 17-year-old girl had registered a complaint, the police said. The accused, attached to the Israel Pentecost Church, molested the girl during a convention organised by the church in February, the police said. The incident came to light when the victim was recently admitted to the Medical College Hospital, Kottayam, after she complained of severe stomach ache. She was found to be pregnant, the police said.

The accused would be produced in court on Thursday, the police said.