Migrants descend the Italian coast guard vessel Dattilo upon arrival at the eastern port of Valencia, Spain, Sunday, Jun. 17, 2018. The first Italian government ship accompanying the migrant aid vessel Aquarius with 630 people aboard on Sunday docked at the Spanish port ending a weeklong perilous crossing of the Mediterranean. (AP Photo/Alberto Saiz)
VALENCIA, Spain— Ships in the Aquarius aid convoy docked Sunday at the Spanish port of Valencia, ending a weeklong ordeal for hundreds of people who were rescued from the perilous Mediterranean only to become the latest pawn in Europe’s battle over immigration.