His departure came just after reports surfaced the Justice Department warned the Trump administration last month that Flynn misled administration officials regarding his communications with the Russian ambassador to the United States.
House Speaker Nancy Pelosi in a statement said Trump's pardoning of Michael Flynn, who twice pleaded guilty to lying to the FBI about his dealings with a foreign adversary, is an act of grave corruption and brazen abuse of power.
Flynn appeared before a federal court on Friday morning to plead guilty after ex-FBI director Robert Mueller, who is investigating allegations of Russian interference in the presidential election as a special counsel, announced that Flynn was charged with "wilfully and knowingly" making "false, fictitious and fraudulent statements" to the Federal Bureau of Investigation about his conversations with Russia's then ambassador to the US Sergey Kislyak.
Announcing Bolton's sacking on twitter, Trump said he will name a new national security advisor next week.
Flynn is believed to have expressed his 'high respect' for India's growth in modern times.
Betting on the growing demand for hospitality services in Asia Pacific, especially in India and China, global real estate services firm Cushman & Wakefield has acquired two hotel consultancies to launch Cushman & Wakefield Hospitality, Asia Pacific.
The social media giant confirmed in a blog post that it has removed the accounts as part of an effort following the riot last week "to protect the conversation on our service from attempts to incite violence, organise attacks, and share deliberately misleading information about the election outcome."
'I have worked long & hard with Robert. He will do a great job!' he said.
Comey is scheduled to appear before the Senate Intelligence Committee on Thursday.
Nick Ayers, the 36-year-old chief of staff to the vice-president Mike Pence, is Kelly's likely successor.
Trump's transition team spokesman Sean Spicer listed Haley as one of the candidates.
Trump had said he is ready to testify over Comey conversations.
President Donald Trump on Saturday accused his predecessor Barack Obama of "wire tapping" his office in New York just before the 2016 presidential elections and likened the alleged surveillance of his communications to the "Watergate" scandal.
Comey states that Trump asked him on several occasions to publicly state that he was not under investigation.
Trump again denies any collusion between the Trump campaign and the Russians.
Alabama Senator Sessions, who was among the first Senator to support Trump in the early part of his campaign and had served was the head of his national security team has been offered the position of US Attorney General, Fox News said.
Pentagon said he has withdrawn citing disruption in his financial interests
The United States is the worst affected country in the world from the coronavirus infection. There are 1.3 million coronavirus cases in the country and the death toll stands at 78,000.
Mueller has already interviewed several of the close aides and family members of Trump over the issue.
"This job requires 24 hours a day, seven days a week focus and commitment to do it right. I currently could not make that commitment," the New York Times quoted Robert S Harward as saying.
"He's a man of tremendous talent and tremendous experience," said Trump of his new appointment.
Lieutenant General (retd) Michael Flynn, a former head of the Defense Intelligence Agency, advised Trump during the campaign on national security issues and often served as an introductory speaker at campaign rallies.
Kushner, in a meeting with the Russian envoy to the US Sergey Kislyak, discussed the possibility of setting up a secret and secure communications channel between the then transition team and the Kremlin using Russian diplomatic facilities in the US, The Washington Post reported.
'He is a good guy. I hope you can let this go,' Trump had said, adding that Flynn had done nothing wrong.
President-elect Donald Trump has shaken up his White House transition team, appointing Vice President-elect Mike Pence as its head and three of his children as part of the group that would shape the direction of Trump's administration beginning January 2017
As per the US laws, presidential nominees of the Democratic and Republican parties receive classified presidential briefings which prepares them for presidency if elected.
The former US president's spokesman rejected the allegations and said he never ordered surveillance on any US citizen.
United States President Trump has been nominated along side his arch nemesis dictator Kim Jong-un.
Trump's assertion came after he branded Comey as a "leaker".
The White House has said there is no evidence of a Trump-Russia collusion, hours after the Federal Bureau of Investigation confirmed that it was probing Russia's meddling in last year's presidential polls, including possible links between the Trump campaign and Moscow.
The Trump Administration plunged into another crisis on Thursday after reports surfaced that United States Attorney General Jeff Sessions met twice with Russian envoy to Washington during the presidential elections last year.
Trump said a thorough investigation will prove that no such collusion took place.
A Democratic lawmaker has called for impeachment of United States President Donald Trump for his alleged involvement in obstruction of justice, after news reports revealed that he had asked the Federal Bureau of Investigation to stop investigations against former national security advisor Michael Flynn.
Mattis applauded India's efforts to promote stability in the South Asia region, said Pentagon Spokesperson
'The facts have become unimportant and useless.' 'What is important is the constantly shouting of patriotism even as one undermines the interests of the people.' 'And the abusing of rivals as being traitors,' says Aakar Patel.
Manchester City endured some anxious moments but escaped from fourth-tier Newport County with their FA Cup hopes intact as Phil Foden scored twice in an ultimately comfortable 4-1 fifth-round victory on Saturday.
The United States on Thursday put Iran "on notice" for test-firing a ballistic missile and warned of consequences for its "malign actions", signalling a more hardline stance against Tehran that could set the stage for renewed confrontation between the two nations.
Presence of terror safe havens in Pakistan, aggressive Chinese behaviour and the Afghanistan situation dominated last month's meeting between James Mattis and National Security Advisor Ajit Doval
James Comey called for a national moment of reflection, in which everybody, regardless of partisan views, to evaluate the President and to consider whether he presents a threat to America itself.
Comey did not make any major new revelations about alleged links between Trump or his associates and Russia.