A series of earthquakes near the Greek island of Santorini have led authorities to shut down schools, dispatch rescue teams with sniffer dogs and send instructions to residents including a request to drain their swimming pools.

Santorini is on what is known as the Hellenic Volcanic Arc but the last major eruption was in 1950. Greek authorities have said that the recent movements are not related to volcan

Aegean Airlines has put on more flights to help tourists leave the island, as people are advised to avoid popular port towns