Diplomat Jan Deboutte knows the danger of letting antisemitism go unchecked – and still, he says, there is hope.

Transcript: It is not too late, but it is time that we realize that what begins with antisemitism does not end with antisemitism. It keeps living on, we have seen it: what happened in the second World War can repeat itself. There is still time for people to react, don’t wait too long because time is also limited. And it would be criminal to not realize that we need to act. Now.