He said it has now become clear that the ex-FBI chief was one of the leakers of 'privileged information' and should be investigated.
The shock move comes days after Comey testified on Capitol Hill about the FBI's investigation into Russia's election meddling and a possible collusion between the country and Trump's campaign.
'He is a good guy. I hope you can let this go,' Trump had said, adding that Flynn had done nothing wrong.
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.
The book 'Shattered: Inside Hillary Clinton's Doomed Campaign' reveals how in a flurry of calls the White House urged Clinton to concede defeat.
'That the 'I' word is swirling around Washington these days attests to the atmosphere that has taken hold and cannot but have a negative impact on political and economic decision-making,' says Claude Smadja.
Wray is a litigation attorney with law firm King & Spalding in Washington and Atlanta.
Comey did not make any major new revelations about alleged links between Trump or his associates and Russia.
Wray, 50, received an overwhelmingly bipartisan support -- 92-5 votes -- on the Senate floor.
The announcement by Attorney General Jeff Sessions comes within days of President Donald Trump firing his Secretary of State Rex Tillerson.
President Trump reacted sharply to the lawsuit and asserted that he would 'not settle' the case, and accused the Opposition Democrats of continuing with their 'witch hunt' against him.
'An America at war with itself, groaning under a mounting debt, with woolly-headed economic policies of a neophyte president who is more feared and suspected among the comity of nations does not augur well for the world.' 'It would be well justified in asking,' says Shreekant Sambrani, '"Is this how you expect to make America great again, Mr President?"'