Serious security concerns were raised at South Africa's largest airport after two fake bombs were missed by screeners.It happened at Johannesburg during a security test, carried out by the country's Civil Aviation Authority, when the "bombs" were smuggled into the airside area.Precise details of how the test was carried out or whether the fake explosives were placed on an aircraft have been revealed by the authorities.A spokesman has confirmed that the exercise took place last week and that the airport management had been alerted to the breach in security Leo/ORD Email me at KLM_India@yahoo.com or LFutia@aol.com. The choice is yours. Take your pick! I check both.