According to an internal FBI bulletin leaked to ABC News, armed protests are reportedly being planned at all 50 state capitals and the U.S. Capitol starting this week and running through at least Inauguration Day, armed protests are being planned at all 50 state capitals and the US Capitol.
The bulletin included –

ABC News reports also reports that the FBI had received information in recent days on an identified group calling for –
“storming” state, local, and federal government courthouses and administrative buildings in the event POTUS is removed as President prior to Inauguration Day.
Who leaked the internal memo from the FBI to ABC News has not been released. At this time no comment from the FBI on the leak to the press or to verify that the memo was sent. The leak comes while House Democrats are pushing for the impeachment of President Donald Trump.
In Washington DC Army Gen. Daniel Hokanson, chief of the National Guard Bureau, told reporters that he has authorization to bring in up to 15,000 Guard members. He said the number of deployments is changing by the hour and day, based on requests from the Secret Service, the Park Police and the Capitol Police.
In Ohio concerning the situation… Columbus Police Chief Thomas Quinlan in a statement said his agency is working with its police partners –
“at every level of government to ensure the security of our Statehouse and the safety of our city. We have plans in place, but to avoid compromising them, we do not release our plans in advance.”
Gov. DeWine spokesman Dan Tierney
“Gov. DeWine is monitoring the situation and receives regular briefings from his public safety team.”