Vincent Reynouard, 56, was arrested in Anstruther, in Fife in November 2022 before being extradited to France, where he has now been convicted.

He was jailed this week on condition of partial release at the Paris Criminal Centre and ordered to pay damages of €10,000, more than £8,300. Reynouard was found guilty of denying war crimes as well as denying crimes against humanity and incitement to racial hatred.

Denying the Holocaust has been a criminal offence in France since 1990 and Reynouard already has several convictions.

A warrant for his arrest was issued in 2022 after he posted videos online. In one he denied the 1944 massacre by the Waffen SS at the French village of Oradour, in which women and children were burnt alive.

He also denied that there were gas chambers at Auschwitz and said the Holocaust was a patchwork of lies, errors or half-truths. He said that Adolf Hitler was “the most slandered man” and that he wanted to “rehabilitate” National Socialism.