In the past, Mr Varadkar and his predecessor Enda Kenny have travelled to EPP gatherings using commercial airlines, as the events are deemed to be party-political in nature.

Taoiseach Leo Varadkar has warned that Ireland “cannot contemplate” a hard Brexit situation which will create a physical border with Northern Ireland amid growing fears Britain could crash out of the EU without a deal.

A former Bosnian Croat general died in a Dutch hospital today shortly after drinking a liquid in a courtroom where judges had just confirmed his 20-year sentence for war crimes.