BANGKOK, Thailand — Four former top-echelon military officers, one a political party leader and former prime minister, were arrested today and charged with treason in a failed coup on Sept.

9. Police identified the four as Kriangsak Chomanand, a former supreme commander; his one-time deputy, Krasae Intharatna; Serm Nanakorn, another former armed forces supreme commander, and

Yod Thephasadin, former deputy army commander in chief. Kriangsak is a former prime minister and currently leader of the National Democratic Party, one of four parties in the coalition

government of Prime Minister Prem Tinsulanonda. MORE TO READ