Now axe amber COMPLETELY: Tory MPs and 300 travel firm bosses demand entire traffic light system is torn up – as ministers face calls to publish data behind watch-list that threatened further 'chaos' at borders Airlines and tour operators called for simplified rules in a letter to Boris Johnson urging him to drop amber list They demanded US-style system to allow the double-jabbed to travel more freely, leaving just red list instead Americans do not need to isolate upon return but must take a pre-departure test on their return to America Operators warned changing rules are causing distrust among hoteliers in Europe and destroying confidence