CAIRO (AP) — Authorities based in the eastern part of divided Libya have banned entry for people from four nearby African countries, a move likely meant to stem the influx of migrants seeking to set off for Europe from the country’s northern coast. Libya’s coast is a key departure points for migrants from North Africa trying to reach European shores for a better life there. They are typically packed by smugglers into small and unsafe boats, with thousands dying during the perilous sea journey.