Trump ordered the Justice Department to investigate Democratic threats against Republicans.
The US president has accused the Democratic Party of political pressure, impeachment threats against officials and criminal prosecution of Republican supporters.
According to Trump, the Democrats are threatening the Attorney General and other senior officials, while trying to intimidate Republican sponsors with prison sentences. He separately accused Senator Alyssa Slotkin of intending to prosecute young Americans for supporting Republicans.
"This is extortion at the highest level. These extortionists should be in jail! Trump announced. The president ordered the US Department of Justice to immediately open an investigation into alleged illegal actions by the Democrats.