Greek Prime Minister Kyriakos Mitsotakis appealed for calm Monday after a wave of seismic tremors hit the tourist island of Santorini, prompting concern among locals and hundreds of departures. Known for its spectacular cliffside views and a dormant volcano,

Greek Prime Minister Kyriakos Mitsotakis has urged people on the island of Santorini to "stay calm" after an increase in seismic activity. His remarks come as schools were told to close on Monday and authorities advised against large gatherings in enclosed spaces across the island,

Multiple earthquakes are rattling Santorini, a volcanic island in Greece, prompting authorities to dispatch rescuers with tents, a sniffer dog and drones, and to shut schools on four islands. Residents have been warned to avoid indoor gatherings,