A 22 year old man has been arrested as part of the investigation into the murder of Constable Ronan Kerr in Northern Ireland last year.
The arrest was made in Milton Keynes by the North West Counter Terrorism Unit. The man, who's from Omagh, has been taken to a police station for questioning.
The Police Service of Northern Ireland says searches carried out earlier today in Cumbria and in Northern Ireland have been completed. Several items have been seized for examination. Police say their inquiries are continuing.
More top news
A look ahead at the forecast for the Border region.
Immigration, extremism, Europe and tax cuts: The key promises unveiled in the first Tory-only Queen's Speech in almost two decades.
Fiona Marley Paterson's latest report into Cumbria Tourism's plan to make the Lake District the Adventure Capital of the UK by 2018.