Summer holiday chaos as experts warn Mediterranean flights will suffer most from jet fuel crisis - while 15 major European airports hit with 'very bad' delays due to new EU border system

The article highlights summer holiday disruptions caused by a jet fuel crisis impacting Mediterranean flights and severe delays at 15 major European airports due to the new EU border system. Experts warn the Mediterranean region will be most affected by the fuel shortage, while the EU's border measures exacerbate flight delays.