The police are searching for a man who they believe started a fire at the office of a senator Bernie Sanders' office in Vermont on Friday. The Burlington Police Department shared pictures on Friday and asked people to help find the person in the pictures. The police still do not know why it happened. The police said that nobody was hurt, but the fire damaged the door of the office on the third floor. The police said in a news release that the sprinkler system put out most of the fire, but it also caused a lot of damage to that area and other parts of the building. The person went into the office entrance and used a spray to make the door catch fire. "He then ignited the fuel and ran away," the release stated. "A big fire blocked the door and part of the entrance, making it hard for the office workers to get out and putting their lives at risk. " First people who help in emergencies got to Sanders' office around 10:45 in the morning. the time where we are, as per the police. The fire marshal's office in Burlington said on Friday that they believe the fire was started on purpose. Now, the Vermont State Police and Burlington Police Department will be in charge of the investigation. The United States Capitol Police and the Senate Sergeant at Arms are working together with local first responders. This information comes from Kathryn Van Haste, the Vermont state director for Sanders. "We are happy that no one from our team or anyone in the building got hurt," said Van Haste in a statement.