geneva 33,000 migrants die sea try reach european shore since 2000 make mediterranean far world deadly border unite nations migration agency say friday record arrivals 2014 2016 european union deal turkey stop arrivals greece block migrants inside libya coast greatly reduce flow international organization migration iom say professor philippe fargues european university institute florence author report say figure probably underestimate actual scale human tragedy report state least 33,761 migrants report die go miss mediterranean year 2000 2017. number june 30 iom jorge galindo tell geneva news brief conclude europe mediterranean border far world deadly say far year 161,000 migrants refugees arrive europe sea 75 percent land italy rest greece cyprus spain accord iom figure nearly 3,000 others dead miss say shut short less dangerous rout open long dangerous rout thus increase likelihood die sea fargues say report say cooperation turkey stem irregular flow replicate libya main country departure migrants smuggle along central route however approach morally reprehensible likely unsuccessful give context extremely poor governance instability political fragmentation libya though sea arrivals italy almost third year week surge rescue attempt cross friday libya eu-backed coastguard intercept 600 mainly sub-saharan african migrants include many women children total five boat leave coast east libyan capital tripoli coast guard officials say wednesday thursday italy coast guard say 1,600 migrants rescue nearly 20 vessels central mediterranean libya u.n.-backed government say thursday investigate report african migrants sell slave promise bring perpetrators justice footage broadcast cnn appear show african migrants trade libya spark international outcry protest europe africa mediterranean `` far world 's deadly border `` migrants iom