Alexander Müller, a Zurich politician from the far-right Swiss People's Party has caused outrage by appearing to call for "another Kristallnacht" in a hateful anti-Islamic tweet.

The offending message, which has since been taken down from Müller's @DailyTalk account, said: "Maybe we need another Kristallnacht… this time for mosques."

Kristallnacht, or the Night of the Broken Glass, refers to the night in November 1938 when the Nazis burned down Jewish synagogues, houses and shops in a coordinated attack across Germany and parts of Austria.

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