by Q Radio news
A police search is underway in county Down for murdered Bangor woman Lisa Dorrian.
It's concentrating on waste ground near a caravan park from where she vanished 14 years ago.
Specially trained officers arrived at an abandoned airfield near Ballywalter on the Ards peninsula this morning.

Officers are believed to be following a major line of inquiry that she was buried by two men known to each other but only one of them was known to Lisa.
An all terrain vehicle is also being used to give officers acess to marshy ground.
Lisa disappeared 14 years ago after a night out socialising in 2005 after attending a house party at a caravan park in Ballyhalbert.
The caravan park overlooks the search area.
Detective Superintendent Jason Murphy, who is leading the investigation, said: “The determination of the PSNI to bring those who killed Lisa Dorrian to justice is as strong today as it has ever been. I can confirm that a large scale search operation is taking place today in the caravan park in Ballyhalbert where Lisa was last seen alive, as well as the disused airfield behind. We will also be searching a number of other areas over the coming days.
“The purpose of the search operation is two-fold: Firstly I want to recover Lisa’s body and allow the Dorrian family to finally put Lisa to rest. And secondly I am looking for evidence relating to her disappearance.
“Our relationship with Lisa’s family remains very positive and they have been updated on the current investigative position.”

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