The Sun newspaper in Britain has criticised the Taoiseach Leo Varadkar over Brexit comments.
The front page of the tabloid has branded him an 'air head' after he suggested a no-deal Brexit would cause problems for UK airlines.
Speaking on Wednesday, Mr Varadkar said: "The situation at the moment is that the United Kingdom is part of the Single European Sky, and if they leave the EU they are not.
"And that does mean that if there was a no deal 'hard Brexit' next March the planes would not fly, and Britain would be an island - in many ways - and that is something that they need to think about".
"It is the UK that has decided to leave the EU, decided to leave the Single European Sky.
"And if they want their plans to fly over our sky, they would need to take that into account.
"You cannot have your cake and eat it.
"You can't take back your waters and then expect to use other people's sky".
Tomorrow's front page: The Irish PM was branded "mad" last night for threatening to block British planes flying over his country. https://t.co/r3aFRhfiM2 pic.twitter.com/DQ6LJqbl5G
— The Sun (@TheSun) July 19, 2018
On Friday, The Sun suggested in its headline that Mr Varadkar would "ban British planes as revenge for Brexit".
An MEP for East of England, David Bannerman, also responded on Twitter saying: "The most profitable routes for all European airlines are transatlantic routes through British airspace.
"They would be bankrupted if no aviation deal is done. Ryanair and Air Lingus would also be grounded. Stop this shameful blackmail".
