The NSA denies claim that Interior was briefed on Merkel operation . Interior minister : `` The confidence in our ally , ( the ) USA , is shaken '' German intelligence officials will visit Washington , officials say . Merkel : Relations with U.S. 'severely shaken ' over spying claims . Merkel : U.S. spied on Der Spiegel for June , at least until more than 10 years .
The NSA denies claim that Interior was briefed on Merkel operation . Interior minister : `` The confidence in our ally , ( the ) USA , is shaken '' German intelligence officials will visit Washington , officials say . Merkel : U.S. spied on Der Spiegel for June , at least until more than 10 years .