A former member of Bosnia's wartime presidency has been held at Heathrow Airport over alleged war crimes. <br/><br/>The Metropolitan Police said that Ejup Ganic, 63, was arrested in London after Serbia issued an extradition warrant. <br/><br/>He and 18 other officials are accused of conspiracy to murder 40 soldiers in breach of the Geneva Convention. Mr. Ganic was later remanded in custody at Westminster Magistrates Court where he is expected to remain until another court hearing on 29 March.<br/>