Ex-French president Nicolas Sarkozy 'arrested over campaign financing'
Former French president Nicolas Sarkozy is being held in police custody over campaign financing, Sky News said, citing other media reports.
A Reuters court source says Mr Sarkozy is being questioned by police in connection to an investigation into "irregularities" in election campaign financing.
The investigations relates to alleged Libyan funding for his 2007 campaign, Le Monde newspaper reported.
He is said to have accepted €50m from Moammer Gaddafi's regime, claims which have been repeated by the late Libyan dictator's son and French businessman Ziad Takieddine.
Mr Sarkozy has repeatedly denied he has accepted money from Libya.
According to Le Monde, this is the first time Mr Sarkozy has been questioned in relation to this investigation, which was opened in April 2013.
He can be held for up to 48 hours and presented to Magistrates Court for indictment straight away if police seek charges.
Mr Sarkozy was president of France from 2007 until 2012.