Whistleblower Herve Falciani, a former HSBC employee who exposed massive
 tax evasion via Swiss accounts, was Wednesday arrested in Spain but 
released again on Thursday. Falciani had fled to Spain to avoid jail in 
Switzerland. The arrest of the whistleblower comes at a sensitive time 
in Swiss-Spanish relations when Swiss courts are considering a Spanish 
extradition request for Catalan separatist Marta Rovira, who fled to 
Switzerland earlier this year.
Read more: HSBC whistleblower held in Swiss-Spanish extradition saga
Read more: HSBC whistleblower held in Swiss-Spanish extradition saga
