E/CN.4/1998/38 page 39 191. The Special Rapporteur transmitted to the Government new allegations concerning 7 individuals and 3 groups of 12, 6 and 35 persons respectively. Replies were received to five of these cases as well as to four cases transmitted in 1996. The Special Rapporteur also sought follow-up information on developments in investigations and judicial proceedings in a number of cases transmitted in 1996 to which the Government had replied. Three of these concerned individuals, and three were collective, arising out of disturbances at a number of prisons in two cases, and the arrest of a group of students in the third. Finally, he retransmitted allegations first sent in 1995 and 1996, concerning six persons, to which no reply had been received. 192. The Special Rapporteur made five urgent appeals, all collective, on behalf of 68 persons. He received replies to three of the appeals. The Government also replied to two collective urgent appeals made in 1996. Observations 193. The Special Rapporteur appreciates the responses of the Government and welcomes the bringing of safeguards into line with international standards, though it is doubtful that, in cases where the law provides for a four-day delay before a detained person is brought before a magistrate, the relevant international standards are met. He also welcomes the Government’s invitation to him to visit the country in the last quarter of 1998. While indicating willingness to visit the country sooner, he has accepted the invitation. Ukraine 194. The Special Rapporteur transmitted one urgent appeal on behalf of one person and received a reply from the Government. Observations 195. The Special Rapporteur appreciates the response of the Government. He also notes that the Committee against Torture has expressed concern “about the large number of reports by non-governmental organizations of cases of torture and violence committed by officials during preliminary investigations, causing suffering, bodily injury and, in a number of cases, death” (A/52/44, para. 131). United Kingdom of Great Britain and Northern Ireland 196. The Special Rapporteur transmitted allegations concerning two persons, to which he received a reply. United Republic of Tanzania 197. The Special Rapporteur transmitted to the Government the medical reports relating to an individual case included in last year's report, on which the Government submitted its observations.