Residents of a fishing town in south-western Iceland have been evacuated amid increasing concern about a potential volcanic eruption, causing civil defence authorities to declare a state of emergency in the region. Grindavík was evacuated early on 11 November after magma shifting under the earth’s crust caused hundreds of earthquakes, likely precursors to an eruption. The recent seismic activity has caused roads and buildings to crack and left the interior of people"s homes covered in debris. Some of the more than 3,000 residents evacuated from the town have been allowed to return briefly to their homes to collect pets and essential belongings Residents of volcano-threatened Icelandic town allowed brief visit home