ZAGREB, Feb 5 (Hina) - Serb Radical party leader Vojislav Seselj, who is on trial before the UN tribunal in The Hague for war crimes in Bosnia-Herzegovina and Croatia, has been again charged with contempt of court for having revealed the identity of 11 protected witnesses in his book. Six months ago Seselj was sentenced to 15 months in jail for contempt of court after he revealed the identities of protected witnesses in one of his books.