Leaflets on flights delay investigated

London - Detectives are hunting the people behind leaflets which tell British Airways staff at Heathrow Airport how to make overtime by delaying flights, it emerged yesterday, The leaflets give tips on how to hold up aircraft. One leaflet even suggests pouring eye drops into the drink of pilots to make them ill. Other suggestions include putting feathers from a duvet into the engine to give the impression that a flock of birds have been hit.