Senator Jack Reed of Rhode Island, the top Democrat on the Senate Armed Services Committee, said Trump shouldn't meet with Russia's leader "in light of this stunning indictment by the Justice Department that these Russian conspirators attacked our democracy and were communicating with Americans to interfere in our election".
"Going forward, there should be no one-on-one meeting between this president and Mr. Putin", Warner told reporters on Capitol Hill.
Russia's Foreign Ministry is denouncing the United States' indictment of 12 alleged military intelligence agents accused of hacking into Democratic accounts in the 2016 USA elections.
According to White House press secretary Sarah Sanders, however, the summit is "still on" despite calls that it be cancelled.
While not expressing outright support for the meeting with Russian Federation, which is to take place on Monday, McCain said Thursday that that summit represented an opportunity for Trump "to demonstrate his willingness to defend America" against its adversaries.
Despite his harsh criticism of President Trump's meeting with Putin, Rosenberg is happy with how he has handled North Atlantic Treaty Organisation.
Pakistan readies for disgraced ex-PM Sharif's return from UK
Large shipping containers will be placed on roads leading to IIA, along with deployments of riot police at the sealed points. If the weather is not suitable for a helicopter ride, they will be driven to Attock jail, which is closest to the airport.
"Secondly, if the president and his team are not willing to make the facts of this indictment at top priority of the meeting in Helsinki, then the summit should be cancelled", the Democratic senator said.
Days before today's 12 indictments were handed down, Trump continued to call Robert Mueller's investigation a "witch hunt". "If President Trump is not prepared to hold Putin accountable, the summit in Helsinki should not move forward".
Still, Deputy Attorney General Rod Rosenstein said the internet "allows foreign adversaries to attack Americans in new and unexpected ways".
"Cancel your ridiculous Putin summit and get your butt back on a plane to the United States", tweeted Sen.
Trump himself said he would "firmly ask the question" today but added he doubts Putin would just cop to it in front of him. I don't think he'll have any 'Gee, I did it, I did it, you got me, ' Trump predicted of his meeting with the former KGB colonel. Thus, on Saturday he will meet with the presidents of Palestine, Gabon, Sudan and Moldova.
Ruben Gallego of Arizona and eight other Democrats in another letter calling on Trump to cancel the meeting. "And he replied 'Because of the Mueller investigation.' No Mr. President, the reason why relations with Russian Federation are hard is because Russian Federation and its agents interfered dramatically in the 2016 elections".