article_snippet.sent: From Friday to MondayMonday, a total of 8,480 migrants were rescued, according to the Italian coast guard, which said it received on Monday -- alone -- SOS calls from 20 boats in distress.
article_snippet.sent: On Tuesday, a spokesman with Save the Children told CNN the group fears 400 migrants could be missing, citing testimony from survivors who said 400 migrants ship carrying 550 people capsized in the Mediterranean Sea about 80 miles off the Libyan coast.
article_snippet.sent: At least 480 migrants have died while crossing the Mediterranean since the beginning of the year, often because of bad weather and overcrowded vessels used by smugglers, the IOM said.
article_snippet.sent: Last week: 978 migrants rescued in one day in Mediterranean Sea .
highlights_snippet.sent: The Italian coast guard says 8,480 migrants were rescued from Friday to Monday .
  
highlights_snippet.sent: Save the Children said Tuesday 400 migrants could be missing from a boat .
  