BBC News 18 January 2013 Last updated at 15:30 ET
Ray Nagin's indictment has been long expected
Former New Orleans Mayor Ray Nagin has been charged with 21 federal counts of wire fraud, bribery, filing false tax returns and money laundering.
Mr Nagin, 56, mayor from 2002-10, came to national attention when Hurricane Katrina hit New Orleans in 2005.
Beginning in June 2004, Mr Nagin took payments, travel and other gratuities in exchange for city contracts and other favours, prosecutors said.
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