"Is this the basis for a constructive relationship on the basis of mutual trust, I think no," said Martin Schulz, current president of the European Parliament.
Secretary of State John Kerry, on an official visit to Brunei, said Monday the Europeans had raised the matter with him, but he wouldn't comment until he knew the whole truth, but added that, "every country in the world that is engaged in international affairs of national security undertakes lots of activities to protect its national security."
French President Francois Hollande was the latest to lash out at the alleged espionage, demanding an immediate halt and an explanation on Monday.
"We cannot accept this kind of behavior," he said in western France. "We demand that this cease immediately."