berlin police germany tuesday arrest five people suspect smuggle nigerian men country fake marriages german federal police say statement four hundred police officer raid 41 apartments room believe link gang berlin german cities say gang suspect leaders four women man range age 46 65 arrest germany newspaper bild report german federal police investigation conduct together portuguese authorities europol find least 70 men bring illegally arrange marriages portuguese women europol european union law enforcement agency serve host operational meet portuguese german investigators police say clients pay 13,000 euros 15,550 fake certificate part sum go women would fly portugal join husband german immigration office apply eu residency permit similar case detect june police find 700 german men berlin marry pregnant asylum seekers vietnam africa eastern europe money mother would obtain residency permit future baby bear german citizens german interior ministry estimate 5,000 case per year nationwide german police arrest five raid nigerian 'husband smuggle ring