A small explosive device was detonated overnight near the offices of Israeli El-Al Airlines in Zurich, reported the Jerusalem Post newspaper on its internet edition Wednesday.
There were no injuries in the blast, said the paper, adding that the building sustained minor damage.
According to the paper, a group calling itself "The Revolutionary Perspective" took responsibility for the attack.
It quoted a statement by the group as saying that they called for an end to "the massacre in Turkey, Kurdistan and Palestine."
The statement also criticized global economic policies, said the paper -- Albawaba.com