Passage: The causeway linking Johor and Singapore was blown up by the Allied forces in an effort to stop the Japanese army. However, the Japanese managed to cross the Straits of Johor in inflatable boats days after. Several fights by the Allied forces and volunteers of Singapore's population against the advancing Japanese, such as the Battle of Pasir Panjang, took place during this period. However, with most of the defenses shattered and supplies exhausted, Lieutenant-General Arthur Percival surrendered the Allied forces in Singapore to General Tomoyuki Yamashita of the Imperial Japanese Army on Chinese New Year, 15 February 1942. About 130,000 Indian, Australian and British troops became prisoners of war, many of whom would later be transported to Burma, Japan, Korea, or Manchuria for use as slave labour via prisoner transports known as "hell ships." The fall of Singapore was the largest surrender of British-led forces in history.  Japanese newspapers triumphantly declared the victory as deciding the general situation of the war.Singapore, renamed Syonan-to (昭南島 Shōnan-tō, "Bright Southern Island" in Japanese), was occupied by the Japanese from 1942 to 1945. The Japanese army imposed harsh measures against the local population, with troops, especially the Kempeitai or Japanese military police, particularly ruthless in dealing with the Chinese population. The most notable atrocity was the Sook Ching massacre of Chinese civilians, undertaken in retaliation against support of the war effort in China. The Japanese screened citizens (including children) to check if they were "anti-Japanese". If so, the "guilty" citizens would be sent away in a truck to be executed. These mass executions claimed between 25,000 and 50,000 lives in Malaya and Singapore. The rest of the population suffered severe hardship throughout the three and a half years of Japanese occupation. The Malay and Indians were forced to build the "Death Railway", a railway between Thailand and Burma (Myanmar). Most of them died while building the railway. The...

Question: Where were large amounts of people killed?
Malaya and Singapore