Published: 3:09 PM February 15, 2019 Updated: 8:41 AM September 18, 2020

Taoiseach Leo Varadkar with President of the European Council Donald Tusk during a press conference at the European Parliament in Brussels. Photograph: Michelle Devane/PA Wire - Credit: PA

Ireland's prime minister Leo Varadkar has said anyone hoping that EU solidarity with Ireland will falter on the Brexit border backstop is 'in for a nasty surprise'.

Speaking at the All-Island Civic Dialogue on Brexit in Dublin Castle, Varadkar said: 'One of the most striking things about what has unfolded since the UK's decision to leave has been the remarkable solidarity from the EU.

'Despite many attempts to bilateralise issues or to divide the 27, the solidarity has been strong and resolute and those who think it will break at the last moment are in for a nasty surprise,' he said.

'Ireland's concerns have become the European Union's concerns.'

Varadkar added that no-deal planning is now planning for a very real and possible outcome.

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'I explained to (European Commission) president (Jean-Claude) Juncker the assistance Ireland will require in the event of a no-deal Brexit, for his part he emphasised that the EU stands ready to help Ireland in finding and funding the specific solutions to the challenges we might face.'

Irish foreign minister Simon Coveney said he could not believe the British government has let the issue of no deal get this far.

'I think it is extraordinary and unbelievable really that the British Parliament and British Government have let it come to this,' he said.

'We are 42 days out until Britain is due to leave, there is still division within a political party that is causing Ireland to spend hundreds of millions of euro to prepare for no deal.'

Coveney added that the border is a key issue for Ireland.

'There is a legal basis that needs to be put in place for the border,' he said.

'We will have a legal text published next week and emergency legislation to protect that Common Travel Area.

'A no-deal Brexit will cause enormous strain on Ireland north and south and many people will be deeply impacted.

'The idea that there is even a possibility of a no-deal Brexit is crazy.'