SEAC Says Most Former Jap Prisoners Missing London, Nov. 3 (AP) – The Southeast Asia Command headquarters said in a statement released here today that of 73,502 persons sent into forced labor by the Japanese to build the Siam-Burma supply railway, only 12,269 returned. The known dead were listed at 24,490. The figures were disclosed, headquarters said, when the Japanese handed the British intelligence branch at Kuala Lumpur a sheet of figures – “without a vestige of embarrassment or regret” – showing the disposition of forced labor sent from Malaya.