Tunisia said Sunday it is seeking the extradition of deposed president Zine El-Abidine Ben Ali's brother-in-law, who has been arrested in France and is wanted at home for alleged fraud.
It said he was facing 17 arrest warrants in Tunisia and 43 international warrants.
There was no official confirmation in France of Trabelsi's arrest.
But a source close to the investigation said he had been detained in the south of the country earlier this week in connection with alleged financial wrongdoing. There were no further details.
The millionaire businessman and brother of Ben Ali's wife Leila Trabelsi left Tunisia in January 2011 when the Arab Spring uprising forced the veteran leader to flee to Saudi Arabia.
Trabelsi and his family flew in a private jet to Montreal where he requested political asylum but Canada turned down his appeal in 2015, and a year later as it prepared to deport him he vanished.
He is wanted in Tunisia where he is thought to have headed a clan that embezzled government funds.
A leaked June 2008 US diplomatic cable concluded that Trabelsi was "the most notorious (Ben Ali) family member and is rumoured to have been involved in a wide-range of corrupt schemes".
Trabelsi -- whose holdings included an airline and hotels -- has denied the allegations against him, saying he accumulated his wealth from being a successful entrepreneur.
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