A man was charged Sunday with setting fire to U.S. Sen. Bernie Sanders’ office in Vermont, federal prosecutors said.

Shant Soghomonian, 35, formerly of Northridge,

California,

entered the building

on

On Friday, he went to Sanders’ third-floor office, where security footage showed him spraying a liquid on the door and setting it on fire, officials said.

The interior of the building sustained some damage from the fire and sprinklers flooding the area with water, but no one was injured. Sanders, an independent, was not in power at the time.

Arson suspected in fire at Senator Bernie Sanders’ office in Vermont. Motives are unclear

Soghomonian was arrested on Sunday

on suspicion of a charge

the use of fire to damage a building used in interstate commerce, according to a statement from Nikolas Kerest, the U.S. attorney for Vermont.

The motive remained unclear. Soghomonian was arrested Sunday and could not be reached for comment. It was not immediately known whether that was the case

Hi

had an attorney and an initial court appearance had not yet been scheduled, officials said.

This offense carries a maximum penalty of 20 years in prison and a fine of up to $250,000.

The case was investigated by police departments in Burlington, Shelburne and Williston; Vermont State Police; the Bureau of Alcohol, Tobacco, Firearms and Explosives; and the U.S. Capitol Police, officials said.