The leaders of the so-called Visegrad Four countries have ganged up against Brussels on issues including immigration, climate change and the rule of law.

Havasi added that leaders of the Visegrad Four countries, Poland, the Czech Republic, Slovakia and Hungary will hold an extraordinary summit in Prague on Friday.

The leaders of the so-called Visegrad Four countries have ganged up against Brussels on issues including immigration, climate change and the rule of l(...)