BBC News with Mike Cooper.

As forecasters say that a cloud of volcanic dust spreading from Iceland across Europe shows some signs of moving, officials have expressed hope that up to half of all flights across Europe could operate on Monday. The European transport commissioner and Spanish minister for Europe were speaking after talks with the air traffic agency Eurocontrol. Warren Bull reports.

After adopting a cautious approach up till now, the airline industry has increasingly pushed the European authorities to end the flight restrictions which have caused travel chaos in Europe and beyond. Several airlines, including KLM and Lufthansa, have expressed anger that the decision to ground flights appears to have been taken solely on the basis of a computer simulation. They say they've carried out their own test flights and reported no problems. Conscious of a need to show strong leadership over the air travel crisis, European Union transport ministers are expected to hold an emergency video conference on Monday.

The Polish President Lech Kaczynski has been buried with his wife in the city of Krakow, eight days after they died in a plane crash in Russia. Crowds threw flowers as the hearses passed through the streets to the cathedral which is the burial place of Polish kings and statesmen. The Russian President Dmitry Medvedev, who attended the funeral, said later that tragedies like the plane crash often drew people together. It was a theme echoed by the Archbishop of Krakow, Stanislaw Dziwisz, in his funeral address.