E/CN.4/1993/26 page 95 Khartoum on 9 February 1992. According to the information received these persons were being held without charge or trial either at security headquarters in Khartoum or in a secret detention centre. (30 March 1992) 420. Peter Cirilio, former Governor of Equatoria, and Nicola Aboya, of the Police Command in Juba, were arrested in Juba in mid-June 1992 on suspicion that they had knowledge about an impending insurrection and had failed to inform the authorities. It was also alleged that they were tortured while in detention and that they had been transferred to an unspecified place in Khartoum. (17 July 1992) 421. Omar Mohamed Mokhtar, Salah Mohamed Idris, Magdi Mohamedani, Mokhtar Fadul and Shehab Ahmad Gaafar, all trade unionists, were arrested in late August 1992 and held in incommunicado detention in Kartoum. They were said to be held in one of the capital's detention centres known as "ghost houses" which are run by the Government's security service. (25 September 1992) 422. Mohamed Sid Ahmed Atig, journalist, and Tigani Al Hussein Daffa El Sid were reportedly arrested without warrants in May 1992 in Khartoum and held in incommunicado detention. It was also reported that they had been tortured and that they were at risk of being further subjected to this kind of treatment. (23 October 1992) Information received from the Government with respect to cases included in previous reports 423. On 24 January 1992 the Government transmitted information with respect to the cases of Muawia Gaffaar, Zein Al-Abdeen Eltayed and Adnan Zahir Surur, on behalf of whom the Special Rapporteur made an urgent appeal on 4 November 1991 (E/CN.4/1992/17, para. 219). Regarding Muawia Gaffaar, the Government informed that an investigation was being carried out. Regarding Zein Al-Abdeen Eltayed, it was reported that he had never been detained. As for Adnan Zahir Surur, he was released and the allegations claiming that he was tortured were false and unfounded. 424. The Government also transmitted information on 19 December 1991 according to which the High Court of Justice did not confirm the sentence to cross-limb amputation concerning Haroun Abdel Karim and changed it to life imprisonment (E/CN.4/1992/17, para. 218). Sweden Information transmitted to the Government and replies received thereon 425. On 10 April 1992 the Special Rapporteur sent an urgent appeal to the Government of Sweden concerning Ahmet Aktas, a Turkish citizen who was arrested on 25 June 1991, convicted of rape in October 1991 by the Gota (Hovratten) Court and sentenced to five years' imprisonment. He was being held in Kumla prison and, according to the information received, he had been severely beaten on several occasions. In particular, it was alleged that on 20 and 23 December 1991 he was beaten for refusing to sign a document in