Bruneian in Atomic Bomb Hiroshima

I remembered when I was in Darjah 4 way back in the very early 1970s, one of the fahaman article or comprehension I was reading had a story about a Brunei man during the aftermath of the first atomic bomb in Hiroshima. Apparently he had been a student there and the bomb fell over the city. Luckily he survived the bombing. After that I searched high and low for the book but to no avail. At that