Viking Cruises cancels calls to Santorini in Greece following a series of earthquakes impacting the island and region.

Residents and visitors have been advised to avoid large indoor gatherings and areas where rock slides could occur. View on euronews

Mitsotakis's remarks come as many people in Santorini spent Sunday night outdoors, amid fears of potential damage to buildings during the quakes. Some focal points of the tremors have been recorded at a depth of just 2km (1.2miles) below the surface.