“Even if a UK airport does have the new scanners in full operation, the traveller’s destination airport might not, meaning they will be subject to the 100ml liquid rules when taking their return flight,” it warned.

Luke Petherbridge, the Director of public affairs, stated: “What travellers need now, as we head towards the peak months for overseas travel, is clarity about what to do when going through airport security.

“When fully implemented, the new airport scanners will make things faster…