The 68-year-old was arrested on suspicion of murder, assisting offenders, withholding information and preventing a lawful and decent burial.

A second temporary control zone has been established around the farm near Greyabbey.

Northern Ireland’s department of agriculture said testing of livestock on nearby farms is continuing.

Two cows have been culled and sampling is continuing on the rest of a herd in Co Down.

David Leckey (11) and Jonathan Aven (14) were last seen in east Belfast in September 1969

The 16-year-old died after being hit by a car in Bangor earlier in this month.

Jaidyn Rice (16) died following the incident in Bangor, Co Down on July 8th.

Jaidyn Rice was from the Bangor area.

Police have received reports of cars being damaged by the same vehicle.

The 25-year-old disappeared in 2005 and is assumed to have been murdered, but her body has never been recovered.

The Tory leader met members of the Jackson family as she visited the Fairview dairy farm near Bangor in Co Down.

The Bangor woman went missing on February 27th, 2005, and is believed to have been murdered but her body has never been found.

Miss Dorrian was 25 when she was last seen at a caravan park in Ballyhalbert, Co Down, in 2005

Police have appealed for information about the incident in Co Down on Friday.

The PSNI said they are appealing for witnesses as well as those with CCTV and dash-cam footage.

A man in his 40s was discovered lying in a road with a significant head injury on Friday evening.

Jim Moore is accused of killing 81-year-old Patricia Aust.

On Monday evening, police said an 85-year-old man had been charged with murder.

An 85-year-old man is in police custody.