A self-proclaimed al-Qaeda gunman who is holding hostages in a bank in Toulouse is acting out of "religious conviction", a prosecutor has told the Associated Press.
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Ukip leader Paul Nuttall also said he would want to get rid of Sharia courts.
Over 40,000 people picked up their packs to take part in the annual marathon in the capital.
The country's voters are concerned about security, the economy, and the 10% unemployment rate.