double murder. Yeo was later arrested in his flat and the revolver was recovered, together with some bullets. The third accomplice of the crime, 20-year-old Ong Chin Hock, surrendered himself soon after. The three men were eventually convicted of murder on 23 May 1979, and sentenced to death. They were hanged on 24 February 1984. The death of Kalingam Mariappan On 20 September 1981, 22-year-old lorry driver Ramu Annadavascan and his 16-year-old friend and news vendor Rathakrishnan Ramasamy assaulted 45-year-old boilerman Kalingam Mariappan with a rake. The assault ensued from an argument between both Ramu and Kalingam, and this led to Ramu stopping his lorry at East Coast Park to assault Kalingam together with Rathakrishnan. The two men each took turns to inflict a blow on Kalingam with the rake; the second blow, which was inflicted by Rathakrishnan, was revealed to be fatal according to autopsy reports presented by Professor Chao at the trial. As a result of his injuries, Kalingam lost consciousness and fell onto the grass. Afterwards, the two then proceeded to pour petrol onto him, and set fire on him, causing Kalingam to be burned to death. Both were later found guilty of murder in July 1984; Ramu was condemned to death and he headed to the gallows on 19 September 1986, while Rathakrishnan, who was under the age of 18 when he committed the murder, was spared the gallows and detained indefinitely at the President's Pleasure. After serving nearly 20 years in prison, Rathakrishnan was released in September 2001. Andrew Road triple murders On 23 July 1983, Sek Kim Wah, a 19-year-old conscript, broke into the home of businessman Robert Tay Bak Hong at Andrew Road on 23 July with the aid of his accomplice, 19-year-old Malaysian Nyu Kok Meng. They were armed with a rifle Sek had stolen from Nee Soon camp. All five victims: Tay, his wife, their Filipino maid, Tay's daughter and her tutor were confined to a bedroom. They proceeded to rob Tay's family of their jewellery and cash out money from their bank accounts. While Nyu was guarding the victims, Sek decided to murder all five victims by escorting them one-by-one out of the bedroom in a bid to erase witnesses. Sek proceeded to struck Tay and his wife with a chair and strangled them. Sek also strangled their maid. Nyu discovered Sek's murder intentions only when he caught him in