Newsnight looks at the threat of far right extremism and asks if the threat is taken seriously enough. Plus the latest from Notre Dame.
Twenty years on from the London nail bomb attacks, the programme hears testimonies from people who were there and from those who lost loved ones. Emily Maitlis is joined by a panel to look at whether enough has been done to counter the threat from far right extremism. Plus the latest from Paris as the Notre Dame Cathedral is decimated by fire.