14 AUAD v. BULGARIA JUDGMENT provisions must be interpreted as meaning that the period during which enforcement of the deportation order has been suspended because the person concerned has challenged it by way of judicial review is to be taken into account in calculating the period of detention for the purpose of removal, where the person concerned remains in detention during that procedure. The court further ruled that Article 15 § 4 must be interpreted as meaning that only a real prospect that removal can be carried out successfully, having regard to the periods laid down in Article 15 §§ 5 and 6, corresponds to a reasonable prospect of removal, and that such a reasonable prospect does not exist where it appears unlikely that the person concerned will be admitted to a third country, having regard to those periods. IV. RELEVANT COUNTRY INFORMATION A. Background 52. There are twelve “official” Palestinian refugee camps in Lebanon: two in the north of the country, near Tripoli, five in the centre (four near Beirut and one near Baalbek), and five in the south (two near Saida and three near Tyre). In addition, there are dozens of informal gatherings, sometimes referred to as “unofficial camps”, spread throughout the country. The majority of Palestinian refugees in Lebanon are those displaced during the Arab-Israeli war of 1948 and their descendants. More Palestinians arrived in 1967 after the Six-Day War, and in the 1970s after they were expelled from Jordan. The refugees fall into three categories: those registered with the United Nations Relief and Works Agency for Palestine Refugees in the Near East (“the UNRWA”) (“registered refugees”), who are also registered with the Lebanese authorities; refugees registered with the Lebanese authorities but not with the UNRWA (“non-registered refugees”); and refugees registered neither with the UNRWA nor with the Lebanese authorities (“non-ID refugees”). According to the UNRWA, on 30 June 2010 there were 427,057 registered refugees in Lebanon; 226,767, or 53.1% of them, were living in the “official” camps. However, according to a report by the International Crisis Group (see paragraphs 76 and 77 below), many observers believe that the numbers cited by the UNRWA are inflated and fail to take account of the impact of the 1975-90 Lebanese Civil War and subsequent waves of Palestinian departures; according to their estimates, in 2009 the refugees were between 200,000 and 250,000. There are an estimated 10,000 to 35,000 non-registered refugees and 3,000 to 5,000 non-ID refugees. By law, Palestinian refugees in Lebanon are considered foreigners and are subject to various restrictions (for details, see Amnesty International: Exiled and suffering: Palestinian refugees in Lebanon, October 2007).