Conversation so far:
What did Miles Dempsey study?
A career infantryman, Miles Dempsey was an ardent student of military history and during the interwar period had frequently visited Europe to study its battlefields firsthand.
Did Miles Dempsey have to lead his command into battle
Within Miles Dempsey's command were 123,000 British and Dutch prisoners and nearly 750,000 captured Japanese.
Did Miles Dempsey release the Dutch prisoners and nearly 750,000 captured Japanese since the war was over?
British authorities retained 113,500 of the approximately 750,000 prisoners of war in south and southeast Asia until 1947; POWs captured in Burma and Malaya returned to Japan in October 1947.
What other notable events happened while Miles Dempsey was in the far east aside from his command of 123,000 British and Dutch prisoners and nearly 750,000 captured Japanese?
Miles Dempsey, although modest and unassuming, was considered to be a highly competent officer.
Did Miles Dempsey recieve any awards for being considered a highly competent officer?
Miles Dempsey was considered the Eighth Army's best expert in combined operations and, as he grew in experience, Montgomery soon recognized his potential for army command.
Was Miles Dempsey promoted to command while he was in the far east?
After the end of World War II in Europe, Miles Dempsey was appointed to the command of the British Fourteenth Army and GOC in C Malaya Command
How large was the British Fourteenth Army that Miles Dempsey was appointed command of
By the time Miles Dempsey had arrived, the war in the East was also over. Within his command were 123,000 British and Dutch prisoners and nearly 750,000 captured Japanese.

Question: What happened to the prisoners?
Self-contained rewrite: What happened to the British and Dutch prisoners and nearly 750,000 captured Japanese that Miles Dempsey was in command of?