Relatives of German-Israeli hostages being held in the Gaza Strip have urged efforts to secure their release during a visit to Berlin. “We hope negotiations will close a deal very soon,” Efrat Machikawa, whose uncle, Gadi Mozes, was abducted, said at a press conference at the Israeli embassy in Berlin on Monday. She said she plans to ask German President Frank-Walter Steinmeier at a meeting later on Monday to thank Qatar for its efforts to mediate and negotiate for the release of the hostages. The Palestinian militant group Hamas released 105 of the hostages abducted from Israel during a negot…