Although there have been shifting explanations, Trump fired James Comey over the FBI investigations of Russian hacking in US prez poll.
Comey’s opening statement was publicly released intentionally by the Senate intelligence committee at Comey’s request.
The men, posing as federal agents, promised people immigration status in the US and duping them of USD 6 million under the scheme.
Comey revealed public release of information about his private conversations with the president in an effort to further the investigation.
Trump stopped short of saying that James Comey lied under oath at the hearing, which occurred a month after Trump fired him on May 9.
Police said student accommodation nearby had been evacuated and a metro station closed as a precaution.