Schools remained shut and additional flights were scheduled to help people leave the Greek island of Santorini on Monday as dozens of tremors shook the popular holiday destination for a fourth day.
Tremors have been recorded between the volcanic islands of Santorini and Amorgos in the Aegean Sea since Friday, forcing authorities to close schools in Santorini and the nearby islands of Ios, Amorgos and Anafi.
Quakes, some with a
