GENEVA, 20 DEC - Migrants and refugees suffer "unimaginable horrors" in Libya, reports a UN report that describes in detail in 61 pages the hell of abuse suffered by women, children and men from the moment they enter Libya, during the their stay in the country and - if they succeed - while trying to cross the Mediterranean. "The overwhelming majority of women and adolescents interviewed - the document reads - reported having been raped by traffickers".