On May 28, 1976, in Zurich, two bombs caused extensive damage to the office of Garanti Bank and of Labor Attaché of Turkish embassy.
[citation needed] On February 6, 1980, in Bern, Turkish Ambassador to Switzerland Doğan Türkmen was attacked.
[7] Since 2013, the Swiss Federal Intelligence Service (FIS) has warned of a heightened threat emanating from Islamic terrorism in Switzerland.
[10] In 1977, Petra Krause, an Italian-German woman, was extradited from Switzerland to Italy on allegations of supplying arms to outlawed terrorist organizations.
[13] The arrested individuals were members of an Islamic State cell planning an attack using explosives and toxic gas.