The head of the Federal Housing Finance Agency, who pushed for criminal charges against Trump's foes, will step in as acting Director of National Intelligence.
The spy scandal has revived fears that Austria remains a hotbed of Russian espionage activity.
Experts say two espionage cases in the US highlight China's attempts to peddle influence globally over the past decade.
During the 1940s, a playboy spy became one of wartime’s most successful double agents, as well as the reported inspiration behind James Bond
The secret police station, located above a ramen stall in NYC, is one of at least 100 such facilities that have been reported across 53 countries.
They gathered information using a "forest of antennas" installed on top of diplomatic buildings, the foreign minister says.
William Maxwell Nasmyth Wilcock was always a mysterious figure with eccentric stories, says his cousin.
Both Republicans and Democrats are pushing to reform the law, saying it allows "warrantless searches" of Americans' digital communications.
A UK Foreign Office spokesman accuses Russia of an "aggressive and co-ordinated campaign of harassment against British diplomats".
