Police say anyone with information about an alleged cover-up by the Catholic Church should come forward following the arrest of a former priest.
The 59-year-old man was arrested at his home in Armidale about 6.30am (AEDT) on Thursday and he was set to appear at the local court at 3pm.
He has been charged with 25 sex offences against three girls.
Police allege the offences took place in the 1970s and 1980s and were discovered after they formed Strike Force Glenroe in July this year.
Detectives have spoken to 50 people, including potential victims, their families and others who may have information.
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Sex crime squad commander John Kerlatec said it was too early to say for sure whether Strike Force Glenroe would investigate suggestions the Catholic Church covered up the allegations.
"It's certainly early days in regards to our investigation in respect to the alleged cover-up that's been suggested," detective superintendent Kerlatec said.
He said anyone with information should come forward.
Premier Barry O'Farrell welcomed Thursday's arrest.
"I welcome the police decision to arrest another person accused of pedophilia," Mr O'Farrell said.
"I wish them well - that's what should be happening, rather than some of the politically motivated calls for royal commissions."
The victims were aged between five and 18 at the time of the alleged offences.
Police have not ruled out further charges or the arrest of other people.
