TRAVELLERS to Europe are being told to expect delays of up to 10 days as the thick plume of volcanic ash from Iceland closes airports and creates air traffic chaos.At Sydney International Airport yesterday, stranded passengers were still arriving at the Qantas desk asking for help.Anne Reed, from Leeds in Britain, was in tears after learning the next flight that she, husband Duncan and son Daniel, 10, could take did not leave until April 28.”We were due to fly out at 4pm and now we are stuck here. We are at the end of a three-week holiday and we will have to put the extra [costs] straight onto our credit card,” she said. ”It would be nice if families with children had priority.”Airlines have cancelled more than 20 flights a day between Europe and Australia this weekend.The family of Polish President Lech Kaczynski want his state funeral to go ahead today despite fears the ash cloud may keep world leaders away.