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Double Tenth incident

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Title: Double Tenth incident  
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Subject: List of massacres in Singapore, Japanese war crimes, 1943 in Japan, Selarang Barracks incident, October 10
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Double Tenth incident

The "Double Tenth Incident" or "Double Tenth Massacre" occurred on 10 October 1943, during the Second World War Japanese occupation of Singapore. The Kempeitai – Japanese Military Police – arrested and tortured fifty-seven civilians and civilian internees on suspicion of their involvement in a raid on Singapore Harbour that had been carried out by Anglo–Australian commandos from Operation Jaywick. Seven Japanese ships were sunk, but none of those arrested and tortured had participated in the raid, nor had any knowledge of it. Fifteen of them died in Singapore's Changi Prison.[1]

After the war ended, twenty-one of the Kempeitai involved were charged with war crimes. Eight received the death sentence, seven were acquitted, and the remainder were given prison sentences varying from one year to life.


In 1943, a special branch of the Foreign Office employee who had previously been detained for his anti-Japanese propaganda, released by the Kempeitai, and then later sent to Changi Prison.[2]

However, neither Scott nor anyone else in Changi was involved in the sabotage, or with the raid that led to serious repercussions on 10 October – 'The double tenth'. On 28 September, Scott received a message from one of his contacts in the city, telling him that on the previous morning six Japanese ships had been blown up in Singapore Harbour (now Keppel Harbour). This was the first major sabotage since the Japanese had captured the island. The loss of ships in such an important place was an enormous blow to Japanese prestige. Scott and his fellow internees supposed that the saboteurs must have been Chinese guerrillas who had slipped across the straits from their base in Malaya. Sumida, however, believed that Scott and his associates had planned the operation from Changi Prison.[2]

Operation Jaywick

The attack on Singapore Harbour was codenamed [2]

Arrests and torture

The display of POW's artifacts at the Changi Chapel and Museum, Singapore. In the background is a bird's eye view of the Changi Prison during World War II

On the day before the Double Tenth, internees were ordered to parade in the open at nine o'clock the next morning. No explanation was given. When the parade had assembled, the camp commandant came out with a number of Kempeitai and troops, who closed all the exits. While the names of a few men were called out for immediate arrest, the Kempeitai conducted a thorough search of the entire prison. After incriminating evidence including diaries of war news compiled from the [2]

Elizabeth Choy

The etched drawings on the heritage monument, near where the present YMCA building stands, depicts what the old YMCA building looked like previously

Elizabeth Choy and her husband, Choy Khun Heng, were running their canteen at the Tan Tock Seng Hospital, after all the patients and doctors had been moved from the Miyako Hospital (former Woodbridge Hospital). She had been a school teacher in St Andrew's School before the war. The couple helped the Changi prisoners-of-war (POW) by passing on cash and parcels containing such things as fresh clothing, medicine and letters during their deliveries. An informant told the Kempeitai that the Choys were involved in smuggling money into Changi Prison, and Khun Heng was arrested. After several days, Elizabeth went to the YMCA on Stamford Road, used by the Kempeitai as their headquarters, known as the Kempeitai East District Branch, to inquire about her husband. The Japanese denied all knowledge of him, but three weeks later they lured her back to the YMCA and confined her with other Chinese and Changi prisoners. There was no sign of Khun Heng. The prisoners were forbidden to speak to one another, although one of the internees, John Dunlop, secretly taught them to communicate in sign language.[2]

At Elizabeth's first interrogation session, the Japanese told her that some ships had been sunk in the harbour and they wanted to know the location of a large amount of money. She claimed no knowledge of the matter but was repeatedly interrogated and beaten. At various times, the Kempeitai forced Elizabeth to kneel on some angled bars of wood on the floor. They stripped her topless and tied her to the wood so she could not go either forwards or backwards. Then they applied electric shocks to her. They even brought in her husband to let him see her being tortured. After nine months in captivity, Elizabeth had lost half her body weight.[3]

Innocent victims

Seven days after the Double Tenth, Bishop John Wilson of St Andrew's Cathedral was taken to the YMCA, and placed in the cell next to Elizabeth. He was severely beaten for three days before the Japanese accepted that he was not one of the ringleaders in their imagined conspiracy. One night Elizabeth saw Rob Scott, by then badly disfigured as a result of the beatings and water tortures that he had been subjected to. At the end of one session Scott was told that he had been sentenced to death, and was forced to write a farewell letter to his wife. He was later sentenced to six years' imprisonment in Outram Road Prison instead, the site where convicted sepoy mutineers had been detained and executed by the British Army in 1915.[2]

Elizabeth was held in the YMCA for nearly 200 days, during which time the Kempeitai meticulously followed up every point in her story, cross-examining people she said she had helped.[2] After a huge dossier of interviews had been compiled, the Japanese concluded that she was telling the truth and set her free. Khun Heng, however, was sentenced to 12 years in Outram Road Prison. People avoided Elizabeth following her release, too terrified to speak to her. Fifteen internees died in the Kempeitai's cells during the Double Tenth inquisition. The suffering spread to the entire civilian population of Changi Prison; rations were cut, and games, concerts, plays, and school lessons were forbidden for months.[2]

The 'double tenth' trial

The former Supreme Court Building, where most of the war crimes trials were held

After the war, on 18 March 1946, the 'double tenth' war crimes trial was held in the Supreme Court Building, before a military court presided over by Lieutenant Colonel S. C. Silkin. Twenty-one Kempeitai were accused of torturing 57 internees, resulting in the deaths of 15.[4] On 15 April 1946, after a hearing lasting 21 days, Sumida was one of eight sentenced to death by hanging. Three others received life imprisonment, one a sentence of fifteen years, and two were given prison terms of eight years. Seven were acquitted.[1]

In recognition of her valour and wartime effort during the Japanese Occupation, Elizabeth Choy was awarded in London the Order of the British Empire (OBE) in 1946.[5]

See also


  1. ^ a b Lee, "War Crimes Trials in Singapore", p. 308.
  2. ^ a b c d e f g h Thompson, "The Double Tenth", pp. 406–414.
  3. ^ Foong, "A Shameful Past in Human Memory: A Verbal Account by Elizabeth Choy", Ch. 4.
  4. ^ "The Double Tenth Trial".  
  5. ^ "An extraordinary life: Elizabeth Choy". Straits Times (Singapore). 15 September 2006. 


External links

  • The Double Tenth Incident (National Library Board, Singapore)
  • Double Tenth Massacre—The Elizabeth Choy Story (MINDEF Singapore)

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