sentences:  In September 1997 he became Ambassador and Permanent Representative to the Office of the United Nations and the International Organizations in Geneva, Switzerland, and in November 2006 he became Ambassador to Switzerland.In parliament on 7 July 2007, Lemine denied accusations that there were U.S. prisons, secret military bases or training camps in Mauritania, responding to concerns from deputies.The claims about the existence of these facilities were first published by "The New Yorker" in June; Lemine described the claims as "false rumors".