Young people who planned to hand petitions to seven foreign embassies on Wednesday to protest against the treatment of Khmer Krom in Vietnam have delayed their action to July 21. Mao Pises, president of the Federation of Cambodian Intellectuals and Students, said they had failed to inform City Hall in time. The students have been demanding Vietnam accept the “true history” of the former Kampuchea Krom provinces after an embassy spokesman said the land belonged to Vietnam long before the French handed it over in 1949.