It toured Spanish Sahara on May 12–19, 1975, after initially having been denied entry by Spanish authorities. On May 8–12 and again on May 20–22, it visited Madrid, Spain; and from May 28 to June 1, it toured the neighbouring countries Mauritania, Morocco and Algeria; in Algeria - which supported the Polisario since late 1974[citation needed] - it also met with leaders of the Polisario Front.