British Pathé, a company that used to produce newsreels of events around the world, has placed over 80,000 videos on YouTube. There are many from Southeast Asia. Some have sound, whereas others just contain images.
Here is a sample of some newsreels about the Japanese surrender at the end of World War II in Southeast Asia.
The Japanese surrender at Manila and Rangoon:
The Japanese surrender at Singapore:
The reoccupation of Penang:
The Japanese surrender at Sungei Petani:
British troops were sent to the southern half of Vietnam to disarm the Japanese there. This clip contains some footage from Saigon:
This is an amazing historical resource. Thank you very very much British Pathé!!!