The alert across Britain and Northern Ireland on Sunday is for testing purposes.

'There is no division on this border, we are all working together, we are all the one people and we are proud of what we can achieve by working together'

44 people have died on the road network over the past 16 years.

'Every resource will be given to An Garda Síochána to bring those responsible for these terrible crimes to justice'

'I think we can draw a line under that now'

There's a fear it could result in more people going across the border into the North to do their shopping.

The road which is located close to the Monaghan border has since reopened.