A man's death may be linked to a "brutal" attack on a priest in a church, police have said.
Officers have begun a murder investigation after receiving a report that a man was found dead in Co Down.
The discovery was made at an address in the Marian Park area of Downpatrick at about 12pm on Sunday.
Police have arrested a 30-year-old man on suspicion of murder and he is in custody.
This comes after a priest was left in a serious condition in hospital following a "brutal attack" in a church in Downpatrick on Sunday morning.
It was reported to police that at about 10.10am, a man walked into St Patrick's Church and hit Fr John Murray on the head with a bottle.
Superintendent Norman Haslett, district commander for Newry, Mourne and Down, said officers suspect the murder may be linked to th