beirut lebanon national carrier middle east airlines mea friday lift restrictions carry-on electronic devices plan travel beirut london airline say britain implement curb electronic items cabin march direct flight turkey lebanon jordan egypt tunisia saudi arabia response unspecified security threats passengers check devices large mobile phone laptops plane hold devices friday carry cabin direct mea flight beirut london provide specific random additional security measure implement london flight segregate gate mea say statement britain ambassador lebanon hugo short confirm ban lift mea flight london immediate effect twitter page friday british airways operate direct route beirut london lift restrictions airline tell reuters friday lebanon 's middle east airlines lift electronics ban london flight