reported anonymously:

"August 2008, Cadenazzo, Switzerland, some banners of the falconry of Locarno damaged.
September 2008, Lugano, Switzerland some banners of Circus Nock damaged with a writing 'cancelled'.
12th September 2008, Bellinzona, Switzerland. Smock bomb during an exhibition of Circus Nock in Bellinzona; exhibition stopped.*
September 2008, Cadenazzo, Switzerland, some banners of the falconry of Locarno damaged"

*According to media reports, several hundred spectators were evacuated from the circus tent following the smoke bomb; there were no injuries.