Repeated earthquakes are rattling Greece’s volcanic island of Santorini. Scientists say the quakes aren't related to a slight increase in volcanic activity that has also been registered recently.

The increase in seismic activity around the tourist island of Santorini is causing concern among officials, who have ordered schools to shut across the island and warned locals to drain their pools

Thousands of people were leaving the Greek island of Santorini by sea and air for a third day as an unprecendented series of earthquakes shook the top travel destination.