“Three people suspected of planning an attack against a Swiss branch of I.B.M. were arrested this month, Swiss authorities said Monday.
The three suspects — two Italians and a Swiss national who had been living in Italy — were arrested on April 15 at a roadside checkpoint near Zurich after the police found explosives ‘and other objects that can be used in an attack,’ prosecutors said.
A statement from the Federal Prosecutor’s Office said that the police had also found a letter referring to a planned attack on a branch of an international company.
Jeannette Balmers, a prosecution spokeswoman, declined to give additional details of the case. “