CLEAN : More security needed against jihadists: Jewish leaders

The transcript discusses the emotional impact of a tragedy on museum staff and the importance of unity against religious hate. It highlights the arrest of a suspect and the ongoing threat of extremism, particularly for the Jewish community. The speaker calls for anti-Semitism to be recognized as a major European issue.

How does the speaker feel about the arrest of the presumed killer?

What major European cause does the speaker wish to see declared after the incident?