The entire crew of a South African Airways flight have been arrested on suspicion of drug smuggling - for the second time in a month. Fifteen members of the flight crew, including the pilot, were detained today at London's Heathrow after customs officers found five kilos of cocaine in a bag. They were being held by officers after the class A drug, with an estimated street value of £250,000, was discovered as the crew tried to clear customs following a 12-hour flight from Johannesburg. Bob Gaiger, spokesman for HM Revenue and Customs, said the drugs were discovered after the...