A map shows where in Europe’s plants are showing signs of stress as a consequence of drought. Several main locations can be spotted on the map: Hungary, northern Italy and Romania.

This could also involve Hungary importing Russian gas for onward export to its Central European neighbours, as Russia already sends gas via Turkey’s TurkStream pipeline.

Czech Prime Minister Petr Fiala said on Wednesday he expected the scarf depicting "Greater Hungary" worn by Hungarian leader Viktor Orban will be discussed at a summit of Visegrad countries this week.