US Senator Rand Paul filed suit against President Barack Obama and other officials in a bid to end the secret program that scoops up telephone data on virtually all Americans.
Prime Minister Mariano Rajoy said Monday after meeting with US President Barack Obama that Spain had received a "satisfactory" explanation of reports that American spies bugged European leaders' phones.
President Barack Obama invited German Chancellor Angela Merkel to Washington on Wednesday, hoping to mend fences after a row provoked by revelations of US eavesdropping on her cellphone.
Intelligence leaker Edward Snowden, who has been granted temporary asylum in Russia and faces US espionage charges, on Sunday lauded Brazil's vibrant democracy.
Canada allowed America's National Security Agency to spy on G20 talks in Toronto in 2010 and at the G8 summit days earlier, according to documents cited by public broadcaster CBC.
A senior White House aide and top US lawmakers on Sunday rejected intelligence leaker Edward Snowden's request for clemency following his disclosures of widespread government surveillance.
Intelligence leaker Edward Snowden is ready to assist a German probe into US spying on Chancellor Angela Merkel but also wants to talk directly to the US Congress, a German lawmaker who met the fugitive said Friday.
US Secretary of State John Kerry said for the first time Thursday that in some cases, US spying has gone too far, amid a row with Europe over the matter.
The US government has guaranteed the UN that it is not intercepting its secret communications, a spokesman said Wednesday while not being drawn on reports of past spying.
US espionage chiefs turned the tables on European allies in the transatlantic spat over intercepted phone records, saying in many cases it was European agencies -- not the NSA -- that gathered and shared them with America.
The imbroglio over the tapping of Angela Merkel's phone deepened Sunday, after a US denial that President Barack Obama was informed years ago of electronic surveillance of the German chancellor.
The National Security Agency's website went down for several hours Friday, but the US spy service known for hacking into computer networks blamed the outage on a technical mistake.
France and Germany pushed Friday for Washington to agree rules for the spy game after damaging revelations the United States tapped German Chancellor Angela Merkel's mobile phone.
European immigration and a row over US eavesdropping are set to dominate an EU leaders' summit beginning in Brussels, after a deadly shipwreck off Italy shocked the continent.
Mexico ordered an investigation into allegations that the US spied on the emails of its president and his predecessor, the latest diplomatic wrangle stemming from America's intelligence-gathering efforts.
Glenn Greenwald, the former Guardian reporter who broke many of the recent stories about secret US surveillance programs, claimed that all Latin American countries had been spied on by Washington.