It's not clear how serious the charges are, but CNN is reporting that the secrecy around them suggests several people are likely to be accused.
The investigation, which began previous year, is seeking to determine Russia's involvement in the 2016 presidential election, as well as if anyone in Trump's campaign colluded with the Kremlin.
As of late Friday evening, Special Counsel Robert Mueller's office has declined to respond to questions about the charges, but top lawyers in the probe were seen entering the grand jury room earlier in the day.
Former Trump campaign manager Corey Lewandowski downplayed the significance of the charges Saturday on Fox News Channel.
Winx wins 22nd straight race, taking the Cox Plate 2017
Humidor, fifth in the BMW Caulfield Cup (G1) last week, will now head for the two-mile Emirates Melbourne Cup (G1) November 7. Folkswood (25-1) finished third.
Twitter bans ads from Russian media outlets
In its latest quarterly report, Twitter said that since 2014 it has double-counted users running some third-party apps. The Twitter social network has banned Russia Today (RT) and Sputnik's Russian-language commercials, the BBC reported.
Selena Gomez to perform new song 'Wolves' at American Music Awards
Earlier this year Gomez , 25, revealed friend Francia Raisa had donated one of her kidneys to her in a secret operation. ' It was really kind of life or death, ' Gomez , whose fight with Lupus is fully-documented, told Guthrie.
The Kremlin has also denied the claims.
Mueller was appointed by Deputy Attorney General Rod Rosenstein in May to investigate possible coordination between the Trump campaign and Russian officials during the 2016 presidential election.
Subpoenas have already been issued to former Trump campaign chairman Paul Manafort, former national security adviser Michael Flynn, and others, including those involved in a Trump Tower meeting between Russians and campaign officials.
As Special Counsel he has sweeping powers and the authority to prosecute any crimes he uncovers.
Stay with Radar for updates to the story.