He was absconding for the past three days and was arrested from Thamarassery yesterday. He hid at various places, including Mangaluru, they said.
The official said Joseph has been charged under section 377 (unnatural offences) of the Indian Penal Code, and relevant provisions of the Protection of Children from Sexual Offences Act (POCSO) and the Juvenile Justice (care and protection of children) Act.
Statements of the children have been taken, the official said.
The priest had gone missing after relatives of the children complained to the police. Child line authorities were also informed.
The 48-year-old priest Robin Vadakkancheril was a vicar at the St Sebastian's Church in Kottiyoor.
(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)