 Of the 361 persons held on remand, 171 were foreigners, mostly from Ukraine (28), Romania (27), Slovakia (25), Vietnam (18), Russia (13), Bulgaria, Nigeria (10), Moldova (7) or Uzbekistan (7), with other nationalities being less numerous.During the week, convicted prisoners are involved in 40 to 50 activities whose purpose is to reduce tension and uncertainties which accumulate due to being imprisoned.Working opportunities are only available to a small part of detainees.