By Valentina Accardo
BOLOGNA, Italy (Reuters) - A former top executive at Swiss bank UBS has been arrested in Italy and faces possible extradition to the United States, where he is wanted for allegedly helping wealthy Americans dodge taxes.
Raoul Weil, a Swiss citizen and former head of UBS's global wealth management business, was arrested in the northern Italian city of Bologna early on Saturday, police said on Monday.
Weil will remain in jail in Italy until the justice ministry decides whether to extradite him to the United States, police and local judicial sources said. He will not be able to apply for bail, the sources said.
Weil was charged in the United States in November 2008 for conspiring to help 17,000 Americans hide assets worth $20 billion in Swiss bank accounts and declared a fugitive a few months later after failing to surrender to authorities.
In 2009 UBS, the world's largest wealth manager by assets, was fined $780 million and agreed to hand over the names of U.S. clients with secret Swiss bank accounts to avoid facing criminal charges. The deal with the United States marked an historic break with Switzerland's tradition of bank secrecy.
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Reuss Private Group, a Swiss wealth manager where Weil is chief executive, said on Monday the banker had been arrested while on a private visit to Italy.
"He has been detained on the basis of an international arrest warrant issued by the U.S. judiciary in 2008 in connection with allegations of aiding and abetting tax evasion during the time Raoul Weil was with UBS, which he left in 2009. Raoul Weil disputes these allegations," Reuss said.
Police sources told Reuters that Weil, 53, was arrested at the 'I Portici' hotel in central Bologna and taken to the city's Dozza prison.
Reuters was not immediately able to contact Weil but his Italian lawyer, Luca Sirotti, said he would "challenge the regularity of the arrest procedures", without adding details.
Weil's legal representative in the United States did not immediately respond to requests for comment.
When Weil was indicted in 2008, his U.S. attorney said he was innocent and called the indictment against him "totally unjustified."
U.S. Department of Justice spokeswoman Dena Iverson declined to comment on Weil's arrest.
Under Italian law, the Bologna Court of Appeal will set a hearing to identify Weil. After that, Italy will have to decide whether or not to hand the Swiss banker over to U.S. authorities.
Italy has in the past cooperated with the United States with the exception of crimes that would be punished with the death penalty, which is banned in Italy. Under U.S. law, a conviction for tax evasion may result in fines and imprisonment.
A UBS spokesman said Weil, who became the head of its global wealth management business in 2007 and also sat on the bank's board, was discharged from his duties when he was indicted.
He joined Reuss Private Group in 2010 as a consultant and became chief executive at the beginning of this year.
(Additional reporting by Valentina Za in Milan and Silke Koltrowitz and Katharina Bart in Zurich and Aruna Viswanatha, Writing by Lisa Jucca, Editing by Carmel Crimmins and Erica Billingham)