By Andrew Buncombe THE BATTLE TO RESURRECT THE WILDLIFE OF THE KILLING FIELDS Legacy of the Khmer Rouge The dividends of peace are paid in different ways.

The head of the Khmer Rouge's largest and most notorious torture center appeared in court Tuesday in the first public session of the long-delayed U.N.-backed tribunal probing the regime's reign of terror in the 1970s.

THE former Khmer Rouge head of state was arrested today by a genocide tribunal in Cambodia after being released from hospital. Khieu Samphan, 76, was the fifth senior Khmer Rouge official to be detained by the long-delayed UN-backed tribunal before trials that are expected to begin next year.

The U.N.-backed genocide tribunal in Cambodia arrested the former Khmer Rouge head of state Monday following his release from a hospital in the capital, officials said.

By Thomas Fuller Ieng Sary and Ieng Thirith, a husband-and-wife team of French- educated communist revolutionaries who went on to take leading positions in the 1970s Khmer Rouge government, were arrested in Phnom Penh on Monday and charged with crimes against humanity.