In response, Democrats widely dismissed the issue as a GOP attempt to distract from the ongoing investigation into alleged Russian meddling in the United States 2016 presidential campaign.
Two Republicans who head influential House committees said on Tuesday they will open a joint investigation into the FBI's handling of the 2016 probe into Hillary Clinton's use of a private email server.
Adam Schiffs, the ranking Democrat on the House Intelligence Committee, said the investigations were politically motivated.
The announcements of the investigations by three GOP committees were criticized by Democrats as a "massive diversion" from congressional probes into potential coordination between the Kremlin and associates of the Trump campaign - and from two witnesses close to President Trump who appeared privately before the House intelligence panel for questioning.
Senate Judiciary Committee Chairman Chuck Grassley said on Twitter that the U.S. Justice Department should appoint a special counsel to investigate the uranium deal. "Congress has a constitutional duty to preserve the integrity of our justice system by ensuring transparency and accountability of actions taken".
Democrats also decried Republican leaders announcement on October 24 that they are reopening their longrunning investigations into Clinton's use of private e-mails while at the State Department, which former FBI Director James Comey declined to prosecute as a criminal offense past year.
Chance Of Snow Amid Rainy Wednesday Morning
REGIONAL- The National Weather Service in Duluth has issued a winter storm watch for Koochiching, northern and central St. The forecast for next week calls for a chance of snow on Monday followed by mostly sunny skies with highs in the 60s.
As Cohen spoke to investigators, Representative Devin Nunes of California held a news conference outside the room to announce a separate intelligence committee investigation into an Obama-era uranium deal.
Fox News first reported that an order to release the former informant from the confidentiality agreement came from Trump himself, however other sources told the network the decision was ultimately made by senior Justice Department officials.
"You've got a trial going on with Senator Menendez right now", she said.
Some Republicans have said Mrs Clinton's State Department approved the deal after her husband's charitable foundation received a $145 million donation.
"Not a story where they talk about collusion and there was none".