rome malta-based humanitarian group rescue migrants mediterranean three years say monday suspend operations months rise tensions italian libyan authorities migrant offshore aid station moas instead send rescue ship phoenix bay bengal take aid rohingya muslims flee violence myanmar bangladesh co-founder regina catrambone tell reuters telephone moa fourth group stop patrol migrants try deadly mediterranean cross past month last month doctor without border medecins sans frontieres follow save children germany sea eye suspend operations say crew could long work safely hostile stance libyan authorities leave proactiva open arm sea watch sos mediterranee still run rescue operations monday aquarius operate sos mediterranee medecins sans frontieres medical staff rescue ship mediterranean catrambone say moas want risk take migrants back libya lock months even years overcrowd warehouse little food healthcare idea free confuse right confusion good people pay price live say long definite knowledge take safe port want rescue migrants force return libya give false hope since 2014 moas rescue assist 40,000 migrants mediterranean august moas first time conduct rescue order libyan coast guard case migrants bring italy since libyan strong man muammar gaddafi oust 2011 libya coast guard vessels fall disrepair force italy take rescue operations north african coast since 2014 600,000 boat migrants reach italy italy european union train fund libyan coast guard rome naval vessel tripoli port repair ship last month libyan coast guard vessel intercept charity ship order sail tripoli risk fire late series tense encounter high seas since july sharp drop departures libyan coast part shift strategy militias control region around sabratha main point departure migrant boat past two years 15,373 migrants arrive italy boat july august compare 44,846 period last year year ngos also face accusations sicily collude people smugglers fuel political firestorm italy immigration policy national election early next year 13,000 migrants die central mediterranean since 2014 try make cross include 2,200 year international organization migration estimate malta-based charity group suspend mediterranean migrant rescue