arwa damon, cnn, benin city, nigeria. >> and that's it for our program tonight. thank you for joining me for this edition of "amanpour on pbs." goodbye from london, and see you next time. ♪ >> "amanpour" on pbs was made possible by the generous support of rosalind p. walter. ♪ >> you're watching pbs. ♪ ♪ ♪

in this hotel in benin city, about 200 men and womenjust in this hotel in benin city, about 200 men and women just arrived from libya are being processed and received by the authorities here, many have stories of abuse and mistreatment at the hands of the authorities, at least three people i have spoken to told me they were forced to work for free or sold adds slaves. again and again, the prison is mentioned as a place of terrible abuse. it is run by libya's ministry of interior which is run by two militia groups. libya is in the middle of a civil war and these militia are only nominally under the un recognised government in tripoli. the libyan interior ministry didn't respond to our attempts to celtic up an interview. the migration agency says there are about 700 migrants stuck in libya. several african governments have stepped up efforts to get their citizens home and thousands have been repatriated in the past few weeks. carry on untoiled trauma, those that come home have to begin the hard work of rebuilding their lives. more coming up on all today's stories from two, with simon mcco

in benin city, men are being processed by the authorities here. many of them have stories of abuse and mistreatment at the hands of the parties in the libyan detention centres where they we re libyan detention centres where they were held, and at least three people i have spoken to so far have told me they were forced to work for free or sold as slaves. again and again, the prison is mentioned as a place of terrible abuse. it is run by libya's ministry of interior, which itself is run by two militia groups. libya is in the middle of the civil war and his militia are only nominally under the un wreck most government in tripoli. the libyan interior ministry did not respond to our attempts to set up an interview. the un agency says there are about 7000 african migrants still stuck in libya, they have stepped up attempts to get their citizens home and thousands have been repatriate it in the last few weeks. carrying on told former, those that do come home have to continue the hard work of rebuilding their lives. more than 300 women from hollywood's en

in this special report the bbc‘s stephanie hegarty went to the city of benin in southern nigeria to meet those recently released. many of those it who have walked the streets of benin have dreamed of going to europe. jackson and felix almost made it. but they were arrested in a boat off the coast of libya and sent to prison. they said when they were no longer needed, they were dumped in the desert. rescued by a man driving by, they were repatriated to nigeria with the help of the un. we spoke to several nigerian migrants, cross—checking the details of their stories and each told us of the same horrifying trend — prison authorities, leasing or selling migrants to local billses as labour. —— businesses as labour. it's a new development in a dark and brutal industry in which prison guards and traffickers exploit migrants. he was arrested in libya in to 15 and brought to prison. he says the man bought his freedom and forced him to work for nothing. after three months, he refused to continue. backin back in prison, he was told he was going to be deported. instead he was taken to going

in this special report, the bbc‘s stephanie hegarty went to the city of benin, in southern nigeria, to meet those recently released. many of those who‘ve walked the streets of benin have dreamed of going to europe. jackson and felix almost made it, but they were arrested in a boat off the coast of libya and sent to prison in a place called gharyan. they said when they were no longer needed they were dumped in the desert, rescued by a man driving by. they were repatriated to nigeria with the help of the un. we spoke to several nigerian migrants, cross checking details of their stories, and each told us of the same horrifying trend. prison authorities leasing or selling migrants to local businesses as labour. it‘s a new development in a dark and brutal industry in which traffickers and prison guards extort migrants, forcing them to buy their freedom. this man was arrested in libya in 2015 and brought to prison. he says the man bought his fredoom and forced him to work for nothing. after three months, he refused to continue. back in prison he was told he was going to be deported, inst