The American Washington Post wrote that Special Prosecutor Robert Mueller might want to question US President Donald Trump under Russian investigation conducted by the US Attorney General.
The FBI investigation involves investigating Russia's links to Trump's campaign team, claiming Russia's to intervene in US presidential election.
White House administration rejects claims about Russia.
In the emails alleged that Robert Mueller has got, there are names of 13 officials, including Trump's former National Security Advisor Michael Flynn.
Trump's former national security adviser Flynn has already admitted to communicating with Russia.
In addition to the Russian investigation, Special Prosecutor Mueller is also investigating whether former FBI ex-president, James Comey, dismissed by the Trump was a step in the process of "misleading justice" in the process.
Trump more than once denied Comey's claim that he "fired him for not ending his Russian investigation".
ILKHA