Airline passengers in the US will be allowed to carry small pocket knives and an array of sports equipment, banned in aircraft cabins after the 9/11 terror attacks, from April 25, authorities have announced. While razor blades and box cutters will still not permitted, passengers will be able to carry knives with folding blades 2.36 inches (6 centimetres) or shorter, as well as sporting goods such as golf clubs, hockey... 
