The firing of James Comey could jeopardize the bureau's probe into alleged collusion between the Trump campaign and Moscow, former FBI supervisors say.
Putin has dismissed allegations of Russian interference as "lies."
The U.S. president's son-in-law is among those called to answer questions about alleged Russian tampering in the election.
The most powerful nation in the world is rudderless and leaderless.
According to CNN, the team looking into the election hack is also heading the server investigation.
Sean Spicer closes off attempts to get the president to explain himself by saying the White House will have no comment until after Congress acts.
Trump's attorney general steps aside from potential probes following the news of his pre-election meetings with the Russian ambassador.
White House spokesperson doesn't rule out Attorney General Jeff Sessions recusing himself, but other Republicans reject the suggestion.
Declassified intelligence report claims Vladimir Putin personally directed a hacking campaign designed to harm Democrats and Hillary Clinton.
Chuck Schumer, John McCain, Lindsey Graham and Jack Reed say a select committee is needed.
The attack, which is blamed on Saudi Arabia, killed at least 140 people on Saturday.
The Wisconsin Supreme Court had halted a special prosecutor's investigation into whether conservative groups colluded with Walker's campaign to evade finance laws.
A nickel pipe burst may have colored Daldykan twice this summer.
Recent arrests are the first major prosecution to emerge from several overlapping state and federal corruption probes examining de Blasio's fundraising practices.
Successful hack in the case of "Shield" actor Michael Jace is another sign authorities are turning to third parties rather than manufacturers.
'The delays in obtaining evidence that could be used to figure out possible lines of investigation translates into a decision (to allow) impunity,' a report says.
The U.S. attorney for Manhattan, Preet Bharara, has launched an official investigation.
Rousseff's office declined to comment on the investigation.
The space agency's main goal there will be to see if life is sustainable.
A pioneering robotic spacecraft shut down on Saturday after radioing results of its first and probably last batch of scientific experiments from the surface of a comet.
The Mars Orbiter Mission became the first (and most economical) spacecraft in history to enter the red planet's orbit