“The White House on lockdown: A federal law enforcement source tells NBC that beginning tomorrow, crews will build a ‘non-scalable’ fence to secure the WH complex, Ellipse and Lafayette Square,” said NBC White House correspondent Geoff Bennett.

The network reported that the temporary fence surrounding the White House would be similar to the barrier erected to create a perimeter surrounding the White House, similar to the barrier erected in the aftermath.

A study released in mid-October has warned that five states, Pennsylvania, Georgia, Michigan, Wisconsin and Oregon, are at risk.

In addition to the fence, 250 national guardsmen will be on standby to assist local police, Zero Hedge reported