The Staggers 15 April 2010 Flight chaos: in pictures Flights across the UK have been grounded as ash from a volcanic eruption in Iceland moves south. Sign UpGet the New Statesman\'s Morning Call email. Sign-up Cars pass a motorway sign warning of flight cancellations. No flights will be allowed in or out of UK airspace until 7am on Friday, amid fears about the increased risk of engine damage. Aircraft of the holidary provider Thomson are grounded at Manchester Airport. Up to 4,000 flights are being cancelled, with airspace closed in Norway, Sweden, Finland and Denmark, among others. Passengers at Frankfurt International Airport wait at a Lufthansa desk to rebook their cancelled flights. Check-in desks at Glasgow Airport stand empty. Experts have warned that tiny particles of rock, glass and sand contained in the ash cloud from Iceland could jam aircraft engines. Passengers settle in for a long wait at Glasgow Airport. The UK's air-traffic control service, Nats, said it was "very unlikely that the situation over England will improve in the foreseeable future". All photographs from AFP/Getty Images. › TV debates: the Tories have most to lose Samira Shackle is a freelance journalist, who tweets @samirashackle. She was formerly a staff writer for the New Statesman. Subscribe For daily analysis & more political coverage from Westminster and beyond subscribe for just £1 per month!