Air passengers could face chaos because of confusion over plans to relax baggage security rules. As of yesterday ministers are allowing airlines at some airports to allow passengers to carry two pieces of hand luggage. However, other airports have not been given permission to relax the security rule. This article has a useful guide listing the main airlines and their current baggage allowances as well as airports that do allow two bags. It all seems a little complicated at the moment but its worth checking out the list before you fly.