rs announced on Monday night that financial director Joao Caldeira had been detained after an audit showed discrepancies in the festival`s accounts. Three other people were suspended pending further investigations. Expo`s secretary-general, Antonio Mega Ferreira, told journalists that no wrong-doing had been suspected until outside auditors began a routine check on the accounts to prepare for the closure of the fair at the end of the September. "The audits showed that something was not right," he said without giving exact figures. However, according to reports in the Diario de Noticias and Publico newspapers on Tuesday, a sum of around one billion escudos ($5.5 million) was involved. Expo `98, which opened on May 22, celebrates the 500th anniversary of navigator Vasco de Gama`s discovery of the sea route to India. More than 150 countries are taking part with the exhibitions dedicated to man`s relationship with the sea and his use and misure of the marine environment. But it is also a huge urban development project, with several thousands flats and houses

being constructed on what was once a rundown and polluted stretch of the Tagus river east of Lisbon.