Flights ease Europe's air traffic crisis  
Egypt
Half of all Europe's flights were back in the air Tuesday, but more ash from Iceland's erupting volcano threatened to stall plans to reopen British airspace. Although authorities in Iceland reported that eruptions from the Eyjafjallajokull volcano were weakening, volcanic ash already in the air continued to blow towards Britain. The country's weather forecaster, the Met Office, said current wind patterns suggested no let up until the end of the week. "At the moment current weather conditions aren't set to change until about Friday and then it looks like then the change is going to be south-westerly winds which will then take it away from the UK," a spokeswoman told CNN.